Smoking may be harmful to his heart.
Source: tatoeba (19934)
Harmful
//ˈhɑːmfl̩//
Synonyms for "harmful" (148 found)
Ranked by relevance and common usage.
Closest matches (30)
Strong matches (44)
Related words (74)
malignantmeanmiserablemorbificnastynocentnoisomenot easyominousopposedopposingoppositeornerypathogenicpeccantpestiferouspoisonouspollutedprejudiciousrigorous
Show 36 more words
riskyruinousscathefulscathingsepticsinisterstabbingstressfultaintedtouchytoxictroublesometroubloustryingunadvantageousunfavorableunhealthfulunhealthyunhygienicunprofitableunrewardingunsafeunsanitaryuntowardunwholesomeuselessvenenateveneniferousvenenousvenomousviciousviolentvirulentwickedworthlesswretched
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More specific
11 entriesAntonyms
3 entriesSynonyms
11 entriesRelated terms
2 entriesderived
4 entriesderived from
2 entriesrelated to
11 entriessimilar
53 entriesShowing 16 of 53 words.
Translations
103 translations across 51 languages.
Ancient Greek
2 entries- βλαπτικός adj (likely to be damaging)
- δηλητήριος adj (likely to be damaging)
Arabic
2 entries- ضَارّ adj (likely to be damaging)
- مُضِرّ adj (likely to be damaging)
Armenian
2 entries- վնասաբեր adj (likely to be damaging)
- վնասակար adj (likely to be damaging)
Asturian
3 entries- dañible adj (likely to be damaging)
- malín adj (likely to be damaging)
- nocivu adj (likely to be damaging)
Azerbaijani
2 entries- ziyankar adj (likely to be damaging)
- zərərli adj (likely to be damaging)
Belarusian
3 entries- шкадлі́вы adj (likely to be damaging)
- шко́дны adj (likely to be damaging)
- шкоднасны adj (likely to be damaging)
Bengali
2 entries- ক্ষতিকর adj (likely to be damaging)
- ক্ষতিকারক adj (likely to be damaging)
Bulgarian
2 entries- вреден adj (likely to be damaging)
- пакостен adj (likely to be damaging)
Catalan
1 entries- nociu adj (likely to be damaging)
Chinese Mandarin
2 entries- 不良 adj (likely to be damaging)
- 有害 adj (likely to be damaging)
Czech
1 entries- škodlivý adj (likely to be damaging)
Danish
1 entries- skadelig adj (likely to be damaging)
Dutch
1 entries- schadelijk adj (likely to be damaging)
Finnish
2 entries- haitallinen adj (likely to be damaging)
- vahingollinen adj (likely to be damaging)
French
4 entries- dangereux adj (likely to be damaging)
- nocif adj (likely to be damaging)
- nuisible adj (likely to be damaging)
- préjudiciable adj (likely to be damaging)
Galician
1 entries- perxudicial adj (likely to be damaging)
Georgian
2 entries- მავნე adj (likely to be damaging)
- საზიანო adj (likely to be damaging)
German
1 entries- schädlich adj (likely to be damaging)
Hungarian
2 entries- káros adj (likely to be damaging)
- kártékony adj (likely to be damaging)
Icelandic
1 entries- skaðlegur adj (likely to be damaging)
Indonesian
1 entries- berbahaya adj (likely to be damaging)
Ingrian
1 entries- vrednoi adj (likely to be damaging)
Irish
4 entries- aimhleasach adj (likely to be damaging)
- biniúil adj (likely to be damaging)
- damáisteach adj (likely to be damaging)
- dochrach adj (likely to be damaging)
Italian
2 entries- dannoso adj (likely to be damaging)
- nocivo adj (likely to be damaging)
Japanese
1 entries- 有害な adj (likely to be damaging)
Javanese
1 entries- mbebayani adj (likely to be damaging)
Korean
2 entries- 유해한 adj (likely to be damaging)
- 해로운 adj (likely to be damaging)
Latin
2 entries- nocuus adj (likely to be damaging)
- noxius adj (likely to be damaging)
Macedonian
1 entries- штетен adj (likely to be damaging)
Malay
1 entries- berbahaya adj (likely to be damaging)
Māori
2 entries- whakakino adj (likely to be damaging)
- whakawhara adj (likely to be damaging)
Norman
1 entries- niêsibl'ye adj (likely to be damaging)
Northern Kurdish
1 entries- ziyanbexş adj (likely to be damaging)
Norwegian
1 entries- skadelig adj (likely to be damaging)
Persian
1 entries- مضر adj (likely to be damaging)
Plautdietsch
1 entries- schätlich adj (likely to be damaging)
Polish
1 entries- szkodliwy adj (likely to be damaging)
Portuguese
4 entries- daninho adj (likely to be damaging)
- danoso adj (likely to be damaging)
- nocivo adj (likely to be damaging)
- prejudicial adj (likely to be damaging)
Romanian
4 entries- dăunător adj (likely to be damaging)
- nociv adj (likely to be damaging)
- prejudiciabil adj (likely to be damaging)
- păgubitor adj (likely to be damaging)
Russian
3 entries- вре́дный adj (likely to be damaging)
- вредоно́сный adj (likely to be damaging)
- зловре́дный adj (likely to be damaging)
Serbo-Croatian
4 entries- škòdljiv adj (likely to be damaging)
- škȍdan adj (likely to be damaging)
- štȅtan adj (likely to be damaging)
- шко̀дљив adj (likely to be damaging)
Slovak
1 entries- škodlivý adj (likely to be damaging)
Slovene
1 entries- škodljiv adj (likely to be damaging)
Spanish
4 entries- dañino adj (likely to be damaging)
- dañoso adj (likely to be damaging)
- nocivo adj (likely to be damaging)
- perjudicial adj (likely to be damaging)
Swedish
1 entries- skadlig adj (likely to be damaging)
Tagalog
4 entries- mapaminsala adj (likely to be damaging)
- nakapipinsala adj (likely to be damaging)
- nakasasama adj (likely to be damaging)
- nakasisira adj (likely to be damaging)
Telugu
1 entries- హానికరమైన adj (likely to be damaging)
Turkish
1 entries- zararlı adj (likely to be damaging)
Turkmen
1 entries- zyýanly adj (likely to be damaging)
Ukrainian
2 entries- вадли́вий adj (likely to be damaging)
- шкідли́вий adj (likely to be damaging)
Urdu
1 entries- مضر adj (likely to be damaging)
Sample sentences
13 total sentences available.
Smoking is harmful to health.
Source: tatoeba (19940)
There is no denying the fact that smoking is harmful.
Source: tatoeba (19962)
Smoking is harmful to your health.
Source: tatoeba (25891)
Showing 4 of 13 available sentences.
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.