adj · noun · 34 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˈæk.tɪv/
US:Recorded audio is listed in the source snapshot.
rhymes with -æktɪv
CMU ARPABET:AE1 K T IH0 V
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives.
Definition source: English Wiktionary via Wiktextract
Examples
certain active principles
the active powers of the mind
Meaning relationships
Synonyms: acting
Antonyms: passive
2
adj
Meaning 2
Quick in physical movement; of an agile and vigorous body; nimble.
Definition source: English Wiktionary via Wiktextract
Examples
an active child or animal
Meaning relationships
Synonyms: agile, nimble
Antonyms: passive, indolent, still
3
adj
Meaning 3
In action; actually proceeding; working; in force
Definition source: English Wiktionary via Wiktextract
Examples
active laws
active hostilities
Meaning relationships
Synonyms: in action, working, in force
Antonyms: quiescent, dormant, extinct
4
adj
Meaning 4
In action; actually proceeding; working; in force
Emitting hot materials, such as lava, smoke, or steam, or producing tremors.
Definition source: English Wiktionary via Wiktextract
Usage: specifically
Qualifier: such as volcano; geysers; etc; such as volcano; geysers; etc
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: in action, working, in force
Antonyms: quiescent, dormant, extinct
5
adj
Meaning 5
Given to action; constantly engaged in action; energetic; diligent; busy
Definition source: English Wiktionary via Wiktextract
Examples
an active man of business
active mind
active zeal
Meaning relationships
Synonyms: busy, deedful, diligent, energetic
Antonyms: dull, sluggish, indolent, inert
6
adj
Meaning 6
Requiring or implying action or exertion
Definition source: English Wiktionary via Wiktextract
Examples
active employment or service
active scenes
Meaning relationships
Synonyms: operative
Antonyms: passive, tranquil, sedentary
7
adj
Meaning 7
Given to action rather than contemplation; practical; operative
Definition source: English Wiktionary via Wiktextract
Examples
an active rather than a speculative statesman
Meaning relationships
Synonyms: none provided
Antonyms: theoretical, speculative
8
adj
Meaning 8
Brisk; lively.
Definition source: English Wiktionary via Wiktextract
Examples
an active demand for corn
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
adj
Meaning 9
Implying or producing rapid action.
Definition source: English Wiktionary via Wiktextract
Examples
an active disease
an active remedy
Meaning relationships
Synonyms: none provided
Antonyms: passive, slow
10
adj
Meaning 10
About verbs.
Applied to a form of the verb; — opposed to passive. See active voice.
Definition source: English Wiktionary via Wiktextract
the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb
Definition source: Princeton WordNet 3.0
Examples
`The boy threw the ball' uses the active voice
Meaning relationships
Synonyms: active voice
Antonyms: none provided
Broader terms: voice
34
noun
Meaning 34
chemical agent capable of activity
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: active agent
Antonyms: none provided
Broader terms: chemical agent
History
Etymology
Etymology tree Proto-Indo-European *h2eǵ- Proto-Indo-European *-eti Proto-Indo-European *h2éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active From Middle English actyf, from Old French actif, from Latin āctīv(us), from agere (“to do, to act”), ultimately from Proto-Indo-European *h2éǵeti. By surface analysis, act + -ive.
Across languages
Translations
286 source translations are retained for this English entry.
Arabic:
نَشِيط
(našīṭ)
— having the quality or power of acting
Arabic:
عَامِل
(ʕāmil)
— having the quality or power of acting
Armenian:
ակտիվ
(aktiv)
— having the quality or power of acting
Assamese:
সক্ৰিয়
(xokriy)
— having the quality or power of acting
Asturian:
activu
— having the quality or power of acting
Azerbaijani:
fəal
— having the quality or power of acting
Belarusian:
акты́ўны
(aktýwny)
— having the quality or power of acting
Belarusian:
дзе́йны
(dzjéjny)
— having the quality or power of acting
Belarusian:
чы́нны
(čýnny)
— having the quality or power of acting
Bulgarian:
де́ен
(déen)
— having the quality or power of acting
Bulgarian:
акти́вен
(aktíven)
— having the quality or power of acting
Catalan:
actiu
— having the quality or power of acting
Chinese Mandarin:
活性
(huóxìng)
— having the quality or power of acting
Chinese Mandarin:
積極 /积极
(jījí)
— having the quality or power of acting
Czech:
aktivní
— having the quality or power of acting
Czech:
činný
— having the quality or power of acting
Danish:
aktiv
— having the quality or power of acting
Dutch:
actief
— having the quality or power of acting
Erzya:
эряза
(eŕaza)
— having the quality or power of acting
Estonian:
tegev
— having the quality or power of acting
Finnish:
aktiivinen
— having the quality or power of acting
Finnish:
tekevä
— having the quality or power of acting
Finnish:
toimiva
— having the quality or power of acting
French:
actif
— having the quality or power of acting
Galician:
activo
— having the quality or power of acting
German:
aktiv
— having the quality or power of acting
Ancient Greek:
πρακτικός
(praktikós)
— having the quality or power of acting
Hebrew:
פָּעִיל
(pa'íl)
— having the quality or power of acting
Hindi:
सक्रिय
(sakriya)
— having the quality or power of acting
Ido:
aktiva
— having the quality or power of acting
Italian:
attivo
— having the quality or power of acting
Japanese:
活動的な
(katsudōteki na)
— having the quality or power of acting
Kazakh:
белсенді
(belsendı)
— having the quality or power of acting
Korean:
활동적
(hwaldongjeok)
— having the quality or power of acting
Latin:
activus
— having the quality or power of acting
Latvian:
aktīvs
— having the quality or power of acting
Latvian:
darbīgs
— having the quality or power of acting
Macedonian:
а́ктивен
(áktiven)
— having the quality or power of acting
Malay:
giat
— having the quality or power of acting
Malay:
aktif
— having the quality or power of acting
Malayalam:
സജീവ
(sajīva)
— having the quality or power of acting
Māori:
hohe
— having the quality or power of acting
Middle English:
actyf
— having the quality or power of acting
Norman:
acti
— having the quality or power of acting
Norwegian Bokmål:
aktiv
— having the quality or power of acting
Persian:
آکتیو
(âktiv)
— having the quality or power of acting
Persian:
کاری
(kâri)
— having the quality or power of acting
Persian:
کنشور
(konešvar)
— having the quality or power of acting
Polish:
aktywny
— having the quality or power of acting
Polish:
czynny
— having the quality or power of acting
Portuguese:
ativo
— having the quality or power of acting
Romanian:
activ
— having the quality or power of acting
Russian:
акти́вный
(aktívnyj)
— having the quality or power of acting
Russian:
де́ятельный
(déjatelʹnyj)
— having the quality or power of acting
Serbo-Croatian:
а̏ктӣван
— having the quality or power of acting
Serbo-Croatian:
ȁktīvan
— having the quality or power of acting
Slovak:
aktívny
— having the quality or power of acting
Slovak:
činný
— having the quality or power of acting
Slovene:
aktíven
— having the quality or power of acting
Slovene:
dejáven
— having the quality or power of acting
Spanish:
activo
— having the quality or power of acting
Swedish:
aktiv
— having the quality or power of acting
Tagalog:
aktibo
— having the quality or power of acting
Turkish:
aktif
— having the quality or power of acting
Ukrainian:
акти́вний
(aktývnyj)
— having the quality or power of acting
Ukrainian:
дія́льний
(dijálʹnyj)
— having the quality or power of acting
Arabic:
نَشِيط
(našīṭ)
— quick in physical movement
Belarusian:
акты́ўны
(aktýwny)
— quick in physical movement
Bulgarian:
акти́вен
(aktíven)
— quick in physical movement
Bulgarian:
енерги́чен
(energíčen)
— quick in physical movement
Chinese Mandarin:
敏捷
(mǐnjié)
— quick in physical movement
Chinese Mandarin:
靈活 /灵活
(línghuó)
— quick in physical movement
Chinese Mandarin:
利落
(lìluo)
— quick in physical movement
Estonian:
väle
— quick in physical movement
Estonian:
tarmukas
— quick in physical movement
Finnish:
aktiivinen
— quick in physical movement
Finnish:
vilkas
— quick in physical movement
Finnish:
vireä
— quick in physical movement
French:
actif
— quick in physical movement
Galician:
activo
— quick in physical movement
German:
gewandt
— quick in physical movement
German:
flink
— quick in physical movement
Hindi:
चपल
(capal)
— quick in physical movement
Japanese:
すばしっこい
(subashikkoi)
— quick in physical movement
Northern Kurdish:
çalak
— quick in physical movement
Latin:
actuosus
— quick in physical movement
Latvian:
aktīvs
— quick in physical movement
Latvian:
darbīgs
— quick in physical movement
Latvian:
kustīgs
— quick in physical movement
Malay:
aktif
— quick in physical movement
Malayalam:
സജീവമായ
(sajīvamāya)
— quick in physical movement
Māori:
manahau
— quick in physical movement
Māori:
manamanahau
— quick in physical movement
Māori:
toritori
— quick in physical movement
Māori:
tāwariwari
— quick in physical movement
Māori:
hohe
— quick in physical movement
Central Sierra Miwok:
hók-ŋe-
— quick in physical movement
Norman:
acti
— quick in physical movement
Persian:
چست
(čost)
— quick in physical movement
Persian:
چالاک
(čâlâk)
— quick in physical movement
Portuguese:
ativo
— quick in physical movement
Russian:
акти́вный
(aktívnyj)
— quick in physical movement
Russian:
прово́рный
(provórnyj)
— quick in physical movement
Scots:
leish
— quick in physical movement
Scottish Gaelic:
giobach
— quick in physical movement
Slovak:
živý
— quick in physical movement
Slovak:
energický
— quick in physical movement
Swedish:
aktiv
— quick in physical movement
Tagalog:
aktibo
— quick in physical movement
Ukrainian:
акти́вний
(aktývnyj)
— quick in physical movement
Arabic:
شَغَّال
(šaḡḡāl)
— in action
Arabic:
عَامِل
(ʕāmil)
— in action
Bulgarian:
акти́вен
(aktíven)
— in action
Bulgarian:
де́йстващ
(déjstvašt)
— in action
Chinese Mandarin:
現行 /现行
(xiànxíng)
— in action
Czech:
činný
— in action
Danish:
aktuel
— in action
Estonian:
kehtiv
— in action
Finnish:
aktiivinen
— in action
Finnish:
voimassa oleva
— in action
Finnish:
tapahtuva
— in action
Finnish:
toiminnassa
— in action
French:
actif
— in action
German:
aktiv
— in action
Greek:
ενεργός
(energós)
— in action
Ancient Greek:
ἐνεργός
(energós)
— in action
Hindi:
सक्रिय
(sakriya)
— in action
Hindi:
क्रियात्मक
(kriyātmak)
— in action
Ido:
aktiva
— in action
Japanese:
能動的な
(nōdōteki na)
— in action
Latvian:
aktīvs
— in action
Norman:
acti
— in action
Polish:
aktywny
— in action
Polish:
czynny
— in action
Portuguese:
ativado
— in action
Russian:
действи́тельный
(dejstvítelʹnyj)
— in action
Russian:
де́йствующий
(déjstvujuščij)
— in action
Slovak:
aktuálny
— in action
Slovak:
aktívny
— in action
Slovak:
prebiehajúci
— in action
Slovak:
súčasný
— in action
Slovak:
činný
— in action
Slovene:
aktíven
— in action
Slovene:
dejáven
— in action
Swedish:
aktiv
— in action
Tagalog:
aktibo
— in action
Turkish:
faal
— in action
Azerbaijani:
fəal
— given to action
Azerbaijani:
işgüzar
— given to action
Azerbaijani:
təşəbbüskar
— given to action
Bashkir:
әүҙем
(əwźem)
— given to action
Belarusian:
акты́ўны
(aktýwny)
— given to action
Bulgarian:
акти́вен
(aktíven)
— given to action
Bulgarian:
де́ятелен
(déjatelen)
— given to action
Chinese Mandarin:
積極 /积极
(jījí)
— given to action
Chinese Mandarin:
能動 /能动
(néngdòng)
— given to action
Esperanto:
agema
— given to action
Estonian:
usin
— given to action
Finnish:
aktiivinen
— given to action
Finnish:
tarmokas
— given to action
Finnish:
toimelias
— given to action
French:
actif
— given to action
German:
tätig
— given to action
Greek:
δραστήριος
(drastírios)
— given to action
Ido:
aktiva
— given to action
Japanese:
積極的な
(sekkyokuteki na)
— given to action
Japanese:
能動的な
(nōdōteki na)
— given to action
Latvian:
aktīvs
— given to action
Latvian:
darbīgs
— given to action
Latvian:
izdarīgs
— given to action
Norman:
acti
— given to action
Portuguese:
ativo
— given to action
Russian:
акти́вный
(aktívnyj)
— given to action
Russian:
де́ятельный
(déjatelʹnyj)
— given to action
Slovak:
aktívny
— given to action
Slovene:
aktíven
— given to action
Slovene:
dejáven
— given to action
Turkish:
aktif
— given to action
Turkish:
etkin
— given to action
Turkish:
faal
— given to action
Belarusian:
акты́ўны
(aktýwny)
— requiring or implying action or exertion
Estonian:
tegutsev
— requiring or implying action or exertion
Estonian:
tegev-
— requiring or implying action or exertion
Finnish:
aktiivinen
— requiring or implying action or exertion
Finnish:
toiminnallinen
— requiring or implying action or exertion
Latvian:
aktīvs
— requiring or implying action or exertion
Russian:
акти́вный
(aktívnyj)
— requiring or implying action or exertion
Arabic:
حَرِك
(ḥarik)
— given to action rather than contemplation
Bashkir:
әүҙем
(əwźem)
— given to action rather than contemplation
Belarusian:
акты́ўны
(aktýwny)
— given to action rather than contemplation
Estonian:
asjalik
— given to action rather than contemplation
Finnish:
toimelias
— given to action rather than contemplation
Finnish:
tarmokas
— given to action rather than contemplation
German:
rührig
— given to action rather than contemplation
Japanese:
活動的な
(katsudōteki na)
— given to action rather than contemplation
Latvian:
aktīvs
— given to action rather than contemplation
Latvian:
darbīgs
— given to action rather than contemplation
Russian:
де́ятельный
(déjatelʹnyj)
— given to action rather than contemplation
Russian:
акти́вный
(aktívnyj)
— given to action rather than contemplation
Russian:
энерги́чный
(enɛrgíčnyj)
— given to action rather than contemplation
Slovak:
aktívny
— given to action rather than contemplation
Slovak:
činorodý
— given to action rather than contemplation
Amharic:
ንቁ
(nəḳu)
— brisk; lively
Arabic:
فَارِه
(fārih)
— brisk; lively
Arabic:
حَرِك
(ḥarik)
— brisk; lively
Arabic:
نشيط
(nišīṭ)
— brisk; lively
Azerbaijani:
fəal
— brisk; lively
Belarusian:
акты́ўны
(aktýwny)
— brisk; lively
Bulgarian:
енерги́чен
(energíčen)
— brisk; lively
Chinese Mandarin:
活躍 /活跃
(huóyuè)
— brisk; lively
Estonian:
elav
— brisk; lively
Finnish:
eloisa
— brisk; lively
Finnish:
reipas
— brisk; lively
Hindi:
चपल
(capal)
— brisk; lively
Ido:
aktiva
— brisk; lively
Japanese:
活発な
(kappatsu na)
— brisk; lively
Japanese:
ぴちぴち
(pichipichi)
— brisk; lively
Japanese:
ぴんぴん
(pinpin)
— brisk; lively
Japanese:
活躍
(katsuyaku)
— brisk; lively
Latin:
actuōsus
— brisk; lively
Latin:
alacer
— brisk; lively
Latvian:
kustīgs
— brisk; lively
Latvian:
mundrs
— brisk; lively
Latvian:
možs
— brisk; lively
Latvian:
spirgts
— brisk; lively
Latvian:
žirgts
— brisk; lively
Latvian:
ņiprs
— brisk; lively
Malayalam:
സജീവ
(sajīva)
— brisk; lively
Polish:
aktywny
— brisk; lively
Portuguese:
ativo
— brisk; lively
Russian:
энерги́чный
(enɛrgíčnyj)
— brisk; lively
Russian:
акти́вный
(aktívnyj)
— brisk; lively
Russian:
живо́й
(živój)
— brisk; lively
Scottish Gaelic:
giobach
— brisk; lively
Slovak:
živý
— brisk; lively
Tagalog:
aktibo
— brisk; lively
Turkish:
aktif
— brisk; lively
Turkish:
etkin
— brisk; lively
Albanian:
vepror
— in grammar
Arabic:
فَاعِل
(fāʕil)
— in grammar
Arabic:
مَعْلُوم
(maʕlūm)
— in grammar
Armenian:
ներգործական
(nergorcakan)
— in grammar
Belarusian:
дзе́йны
(dzjéjny)
— in grammar
Belarusian:
акты́ўны
(aktýwny)
— in grammar
Bulgarian:
де́ятелен
(déjatelen)
— in grammar
Bulgarian:
действи́телен
(dejstvítelen)
— in grammar
Bulgarian:
акти́вен
(aktíven)
— in grammar
Chinese Mandarin:
主動 /主动
(zhǔdòng)
— in grammar
Czech:
činný
— in grammar
Danish:
aktiv
— in grammar
Esperanto:
aktiva
— in grammar
Estonian:
isikuline
— in grammar
Estonian:
aktiiv
— in grammar
Finnish:
aktiivi-
— in grammar
Finnish:
aktiivinen
— in grammar
French:
actif
— in grammar
German:
aktiv
— in grammar
Greek:
ενεργητικός
(energitikós)
— in grammar
Ancient Greek:
ἐνεργητικός
(energētikós)
— in grammar
Hindi:
क्रियात्मक
(kriyātmak)
— in grammar
Hungarian:
aktív
— in grammar
Hungarian:
cselekvő
— in grammar
Ido:
aktiva
— in grammar
Japanese:
能動
(nōdō)
— in grammar
Korean:
능동
(neungdong)
— in grammar
Latin:
activus
— in grammar
Latvian:
darāms
— in grammar
Macedonian:
активен
(aktiven)
— in grammar
Manx:
jantagh
— in grammar
Middle English:
actyf
— in grammar
Old English:
dǣdlīċ
— in grammar
Persian:
معلوم
(ma'lum)
— in grammar
Polish:
czynny
— in grammar
Portuguese:
ativo
— in grammar
Russian:
действи́тельный
(dejstvítelʹnyj)
— in grammar