adj · 2 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.
Received-Pronunciation:/ˈhɑːmfl̩/
General-American:/ˈhɑɹmfl̩/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:HH AA1 R M F AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Causing or likely to cause harm or damage; injurious.
Definition source: English Wiktionary via Wiktextract
Examples
Wear a hat to protect your skin from harmful sunlight.
Smoking is harmful to the lungs.
Burning fossil fuels is harmful to the environment.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adjective
Meaning 2
causing or capable of causing harm
Definition source: Princeton WordNet 3.0
Examples
too much sun is harmful to the skin
harmful effects of smoking
Meaning relationships
Synonyms: none provided
Antonyms: harmless
History
Etymology
From Middle English harmful, from Old English *hearmful (suggested by hearmfullīċ (“harmful; hurtful”)), equivalent to harm + -ful. Cognate with German harmvoll, Danish harmfuld, Swedish harmfull.
Across languages
Translations
106 source translations are retained for this English entry.
Arabic:
ضَارّ
(ḍārr)
— likely to be damaging
Arabic:
مُضِرّ
(muḍirr)
— likely to be damaging
Armenian:
վնասակար
(vnasakar)
— likely to be damaging
Armenian:
վնասաբեր
(vnasaber)
— likely to be damaging
Asturian:
dañible
— likely to be damaging
Asturian:
malín
— likely to be damaging
Asturian:
nocivu
— likely to be damaging
Azerbaijani:
zərərli
— likely to be damaging
Azerbaijani:
ziyankar
— likely to be damaging
Belarusian:
шко́дны
(škódny)
— likely to be damaging
Belarusian:
шкоднасны
(škódnasny)
— likely to be damaging
Belarusian:
шкадлі́вы
(škadlívy)
— likely to be damaging
Bengali:
ক্ষতিকর
(khotikor)
— likely to be damaging
Bengali:
ক্ষতিকারক
(khotikarok)
— likely to be damaging
Bulgarian:
вреден
(vreden)
— likely to be damaging
Bulgarian:
пакостен
(pakosten)
— likely to be damaging
Catalan:
nociu
— likely to be damaging
Chinese Mandarin:
有害
(yǒuhài)
— likely to be damaging
Chinese Mandarin:
不良
(bùliáng)
— likely to be damaging
Czech:
škodlivý
— likely to be damaging
Danish:
skadelig
— likely to be damaging
Dutch:
schadelijk
— likely to be damaging
Finnish:
vahingollinen
— likely to be damaging
Finnish:
haitallinen
— likely to be damaging
French:
dangereux
— likely to be damaging
French:
nuisible
— likely to be damaging
French:
nocif
— likely to be damaging
French:
préjudiciable
— likely to be damaging
Galician:
perxudicial
— likely to be damaging
Georgian:
საზიანო
(saziano)
— likely to be damaging
Georgian:
მავნე
(mavne)
— likely to be damaging
German:
schädlich
— likely to be damaging
Ancient Greek:
βλαπτικός
(blaptikós)
— likely to be damaging
Ancient Greek:
δηλητήριος
(dēlētḗrios)
— likely to be damaging
Hindi:
हानिकारक
(hānikārak)
— likely to be damaging
Hindi:
अहितकर
(ahitkar)
— likely to be damaging
Hindi:
अपकारी
(apkārī)
— likely to be damaging
Hindi:
घातक
(ghātak)
— likely to be damaging
Hungarian:
káros
— likely to be damaging
Hungarian:
kártékony
— likely to be damaging
Icelandic:
skaðlegur
— likely to be damaging
Indonesian:
berbahaya
— likely to be damaging
Ingrian:
vrednoi
— likely to be damaging
Irish:
aimhleasach
— likely to be damaging
Irish:
biniúil
— likely to be damaging
Irish:
damáisteach
— likely to be damaging
Irish:
díobhálach
— likely to be damaging
Irish:
dochrach
— likely to be damaging
Irish:
éigineáil
— likely to be damaging
Irish:
mímhaitheasach
— likely to be damaging
Irish:
olc
— likely to be damaging
Irish:
olcach
— likely to be damaging
Irish:
urchóideach
— likely to be damaging
Italian:
dannoso
— likely to be damaging
Italian:
nocivo
— likely to be damaging
Japanese:
有害な
(yūgai-na)
— likely to be damaging
Javanese:
mbebayani
— likely to be damaging
Korean:
해로운
(haeroun)
— likely to be damaging
Korean:
유해한
(yuhaehan)
— likely to be damaging
Northern Kurdish:
ziyanbexş
— likely to be damaging
Latin:
nocuus
— likely to be damaging
Latin:
noxius
— likely to be damaging
Macedonian:
штетен
(šteten)
— likely to be damaging
Malay:
berbahaya
— likely to be damaging
Māori:
whakakino
— likely to be damaging
Māori:
whakawhara
— likely to be damaging
Norman:
niêsibl'ye
— likely to be damaging
Norwegian:
skadelig
— likely to be damaging
Persian:
مضر
— likely to be damaging
Plautdietsch:
schätlich
— likely to be damaging
Polish:
szkodliwy
— likely to be damaging
Portuguese:
prejudicial
— likely to be damaging
Portuguese:
nocivo
— likely to be damaging
Portuguese:
danoso
— likely to be damaging
Portuguese:
daninho
— likely to be damaging
Romanian:
nociv
— likely to be damaging
Romanian:
prejudiciabil
— likely to be damaging
Romanian:
dăunător
— likely to be damaging
Romanian:
vătămător
— likely to be damaging
Romanian:
păgubitor
— likely to be damaging
Romanian:
stricător
— likely to be damaging
Russian:
вре́дный
(vrédnyj)
— likely to be damaging
Russian:
вредоно́сный
(vredonósnyj)
— likely to be damaging
Russian:
зловре́дный
(zlovrédnyj)
— likely to be damaging
Serbo-Croatian:
шко̀дљив
— likely to be damaging
Serbo-Croatian:
шко̏дан
— likely to be damaging
Serbo-Croatian:
ште̏тан
— likely to be damaging
Serbo-Croatian:
škòdljiv
— likely to be damaging
Serbo-Croatian:
škȍdan
— likely to be damaging
Serbo-Croatian:
štȅtan
— likely to be damaging
Slovak:
škodlivý
— likely to be damaging
Slovene:
škodljiv
— likely to be damaging
Spanish:
perjudicial
— likely to be damaging
Spanish:
perjudicador
— likely to be damaging
Spanish:
lesivo
— likely to be damaging
Swedish:
skadlig
— likely to be damaging
Tagalog:
mapaminsala
— likely to be damaging
Tagalog:
nakapipinsala
— likely to be damaging
Tagalog:
nakasisira
— likely to be damaging
Tagalog:
nakasasama
— likely to be damaging
Telugu:
హానికరమైన
(hānikaramaina)
— likely to be damaging
Turkish:
zararlı
— likely to be damaging
Turkmen:
zyýanly
— likely to be damaging
Ukrainian:
шкідли́вий
(škidlývyj)
— likely to be damaging
Ukrainian:
вадли́вий
(vadlývyj)
— likely to be damaging