adv · 4 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
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Received-Pronunciation:/ˈsɜː.tn̩.li/
Canada, General-American:/ˈsɝ.tn̩.li/
Canada, General-American:[ˈsɝ.ʔn̩.li]
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S ER1 T AH0 N L IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adv
Meaning 1
In a way which is certain; with certainty.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adv
Meaning 2
Without doubt, surely.
Definition source: English Wiktionary via Wiktextract
Examples
The accident was certainly caused by human error.
That was certainly sweet of him.
'I'm all grown up now' -'You certainly have (grown)!'
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adv
Meaning 3
An emphatic affirmative answer; of course.
Definition source: English Wiktionary via Wiktextract
Examples
Would you like it with ice? Certainly, and with lemon please.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adverb
Meaning 4
definitely or positively (`sure' is sometimes used informally for `surely')
Definition source: Princeton WordNet 3.0
Examples
the results are surely encouraging
she certainly is a hard worker
it's going to be a good day for sure
they are coming, for certain
they thought he had been killed sure enough
he'll win sure as shooting
they sure smell good
sure he'll come
Meaning relationships
Synonyms: surely, sure, for sure, for certain, sure enough, sure as shooting
Antonyms: none provided
History
Etymology
From Middle English certeynly; equivalent to certain + -ly.
Across languages
Translations
225 source translations are retained for this English entry.
Arabic:
بِالتَّأْكِيد
(bi-t-taʔkīd)
— with certainty
Bulgarian:
си́гурно
(sígurno)
— with certainty
Catalan:
certament
— with certainty
Esperanto:
certe
— with certainty
Finnish:
varmasti
— with certainty
French:
certainement
— with certainty
Galician:
certamente
— with certainty
Greek:
βεβαίως
(vevaíos)
— with certainty
Ancient Greek:
οὖν
(oûn)
— with certainty
Hebrew:
בוודאות
(bevada'út)
— with certainty
Hungarian:
biztosan
— with certainty
Hungarian:
bizonyosan
— with certainty
Hungarian:
határozottan
— with certainty
Italian:
certamente
— with certainty
Latin:
quippe
— with certainty
Middle English:
certeynly
— with certainty
Norman:
cèrtainement
— with certainty
Portuguese:
certamente
— with certainty
Portuguese:
garantidamente
— with certainty
Spanish:
ciertamente
— with certainty
Spanish:
dejuramente
— with certainty
Spanish:
cierto
— with certainty
Spanish:
al cierto
— with certainty
Spanish:
de cierto
— with certainty
Spanish:
en cierto
— with certainty
Spanish:
de juro
— with certainty
Spanish:
a juro
— with certainty
Spanish:
certeramente
— with certainty
Tibetan:
ངེས་པར
(nges par)
— with certainty
Turkish:
kesinlikle
— with certainty
Arabic:
بِالتَّأْكِيد
(bi-t-taʔkīd)
— without doubt, surely
Arabic:
بِدُون شَكّ
(bidūn šakk)
— without doubt, surely
Arabic:
بِدُون نِقَاش
(bidūn niqāš)
— without doubt, surely
Arabic:
أكيد
(ʔakīd)
— without doubt, surely
Armenian:
անկասկած
(ankaskac)
— without doubt, surely
Bashkir:
әлбиттә
(əlbittə)
— without doubt, surely
Belarusian:
безумо́ўна
(bjezumówna)
— without doubt, surely
Belarusian:
кане́чна
(kanjéčna)
— without doubt, surely
Belarusian:
вядо́ма
(vjadóma)
— without doubt, surely
Belarusian:
бяссумне́нна
(bjassumnjénna)
— without doubt, surely
Belarusian:
напэ́ўна
(napéwna)
— without doubt, surely
Bulgarian:
безспо́рно
(bezspórno)
— without doubt, surely
Bulgarian:
несъмне́но
(nesǎmnéno)
— without doubt, surely
Bulgarian:
си́гурно
(sígurno)
— without doubt, surely
Burmese:
တကယ်
(ta.kai)
— without doubt, surely
Catalan:
certament
— without doubt, surely
Catalan:
sens dubte
— without doubt, surely
Catalan:
sense cap mena de dubte
— without doubt, surely
Chinese Mandarin:
當然 /当然
(dāngrán)
— without doubt, surely
Chinese Mandarin:
一定
(yīdìng)
— without doubt, surely
Czech:
určitě
— without doubt, surely
Czech:
nepochybně
— without doubt, surely
Czech:
jistě
— without doubt, surely
Czech:
samozřejmě
— without doubt, surely
Dutch:
beslist
— without doubt, surely
Dutch:
voorzeker
— without doubt, surely
Dutch:
zeker
— without doubt, surely
Dutch:
waarlijk
— without doubt, surely
Esperanto:
certe
— without doubt, surely
Esperanto:
sendube
— without doubt, surely
Finnish:
todellakin
— without doubt, surely
Finnish:
varmasti
— without doubt, surely
Finnish:
epäilemättä
— without doubt, surely
French:
certainement
— without doubt, surely
French:
sûrement
— without doubt, surely
French:
sans nul doute
— without doubt, surely
French:
sans aucun doute
— without doubt, surely
Galician:
abofé
— without doubt, surely
Galician:
sen dúbida
— without doubt, surely
German:
sicherlich
— without doubt, surely
German:
zweifellos
— without doubt, surely
German:
gewiss
— without doubt, surely
German:
freilich
— without doubt, surely
German:
gwüss
— without doubt, surely
Greek:
βεβαίως
(vevaíos)
— without doubt, surely
Greek:
σίγουρα
(sígoura)
— without doubt, surely
Greek:
ασφαλώς
(asfalós)
— without doubt, surely
Ancient Greek:
οὖν
(oûn)
— without doubt, surely
Hebrew:
בוודאות
(bevada'út)
— without doubt, surely
Hebrew:
בוודאי
— without doubt, surely
Hindi:
अवश्य
(avaśya)
— without doubt, surely
Hungarian:
mindenképpen
— without doubt, surely
Hungarian:
feltétlenül
— without doubt, surely
Hungarian:
kétségkívül
— without doubt, surely
Hungarian:
kétségtelenül
— without doubt, surely
Hungarian:
tényleg
— without doubt, surely
Ido:
certe
— without doubt, surely
Interlingua:
certo
— without doubt, surely
Italian:
certamente
— without doubt, surely
Italian:
senza dubbio
— without doubt, surely
Italian:
non ci piove
— without doubt, surely
Japanese:
確かに
(tashika ni)
— without doubt, surely
Japanese:
必ず
(kanarazu)
— without doubt, surely
Japanese:
絶対に
(zettai ni)
— without doubt, surely
Japanese:
確実に
(kakujitsu ni)
— without doubt, surely
Korean:
확실히
(hwaksilhi)
— without doubt, surely
Central Kurdish:
ئەکید
(ekîd)
— without doubt, surely
Latin:
certō
— without doubt, surely
Macedonian:
сигурно
(sigurno)
— without doubt, surely
Māori:
āe rā
— without doubt, surely
Middle English:
certeynly
— without doubt, surely
Norman:
cèrtainement
— without doubt, surely
Panamint:
nu'u
— without doubt, surely
Persian:
بطور محرز
— without doubt, surely
Plautdietsch:
zwoasch
— without doubt, surely
Pohnpeian:
ahpw
— without doubt, surely
Polish:
z pewnością
— without doubt, surely
Polish:
pewnie
— without doubt, surely
Portuguese:
certamente
— without doubt, surely
Portuguese:
sem dúvida
— without doubt, surely
Romanian:
bineînțeles
— without doubt, surely
Romanian:
desigur
— without doubt, surely
Russian:
коне́чно
(konéčno)
— without doubt, surely
Russian:
несомне́нно
(nesomnénno)
— without doubt, surely
Russian:
непреме́нно
(nepreménno)
— without doubt, surely
Russian:
безусло́вно
(bezuslóvno)
— without doubt, surely
Russian:
наверняка́
(navernjaká)
— without doubt, surely
Russian:
бесспо́рно
(besspórno)
— without doubt, surely
Serbo-Croatian:
zacijelo
— without doubt, surely
Serbo-Croatian:
sigurno
— without doubt, surely
Serbo-Croatian:
doista
— without doubt, surely
Slovak:
určite
— without doubt, surely
Slovak:
samozrejme
— without doubt, surely
Slovak:
iste
— without doubt, surely
Slovak:
isto
— without doubt, surely
Spanish:
ciertamente
— without doubt, surely
Spanish:
sin duda
— without doubt, surely
Spanish:
a todas luces
— without doubt, surely
Spanish:
certeramente
— without doubt, surely
Spanish:
dejuramente
— without doubt, surely
Swahili:
maalum
— without doubt, surely
Swedish:
säkerligen
— without doubt, surely
Swedish:
utan tvekan
— without doubt, surely
Telugu:
తప్పక
(tappaka)
— without doubt, surely
Tibetan:
ངེས་པར་དུ
(nges par du)
— without doubt, surely
Tibetan:
ཡིན་གཅིག་མིན་གཅིག
(yin gcig min gcig)
— without doubt, surely
Tibetan:
རྩོད་པ་མེད་པར
(rtsod pa med par)
— without doubt, surely
Tibetan:
གདོན་མི་འཚལ་བར
(gdon mi 'tshal bar)
— without doubt, surely
Tibetan:
གོར་མ་ཆག་པར
(gor ma chag par)
— without doubt, surely
Tocharian B:
nemcek
— without doubt, surely
Tocharian B:
ṣñikek
— without doubt, surely
Turkish:
kesinlikle
— without doubt, surely
Ukrainian:
авже́ж
(avžéž)
— without doubt, surely
Ukrainian:
безсумні́вно
(bezsumnívno)
— without doubt, surely
Ukrainian:
неодмі́нно
(neodmínno)
— without doubt, surely
Ukrainian:
звича́йно
(zvyčájno)
— without doubt, surely
Ukrainian:
безумо́вно
(bezumóvno)
— without doubt, surely
Ukrainian:
напе́вно
(napévno)
— without doubt, surely