harmful
UK/ˈhɑːmfl̩//ˈhɑɹmfl̩/
harmful adjective: causing or likely to cause harm or damage; injurious.
Adjective
harmful (comparative harmfuller or more harmful, superlative harmfullest or most harmful)
- Causing or likely to cause harm or damage; injurious.
- Wear a hat to protect your skin from harmful sunlight.
- Smoking is harmful to the lungs.
- Synonyms:
- injurious, damaging, deleterious, detrimental, hurtful, inimical, mischievous, nocent, nocuous, noxious
harmful meaning in Hindi, Tamil, Marathi and Urdu
harmful in Hindi
- likely to be damaging
- हानिकारक hānikārak, अहितकर ahitkar, अपकारी apkārī, घातक ghātak
harmful in Tamil
- தீங்கு விளைவிக்கும்
harmful in Marathi
- harmful, pernicious
- अपायकारक apāyakāraka
harmful in Urdu
- likely to be damaging
- مضر
More languagesFewer languages
- harmful in Bengali
- ক্ষতিকর khotikor, ক্ষতিকারক khotikarok
- harmful in Telugu
- హానికరమైన hānikaramaina
- harmful in Malayalam
- ദോഷകരമായ, ഹാനികരമായ
- harmful in Kannada
- ಹಾನಿಕಾರಕ
- harmful in Punjabi
- ਨੁਕਸਾਨਦੇਹ, ਹਾਨੀਕਾਰਕ
- harmful in Gujarati
- નુકસાનકારક nuksānkārak
- harmful in Odia
- କ୍ଷତିକାରକ, କ୍ଷତିକାରକ |
- harmful in Nepali
- हानिकारक, हानिकर
- harmful in Tagalog
- mapaminsala, nakapipinsala, nakasisira, nakasasama
- harmful in Arabic
- ضَارّ ḍārr, مُضِرّ muḍirr
- harmful in Malay
- berbahaya
- harmful in Indonesian
- berbahaya
- harmful in Persian
- مضر
Examples of harmful in a sentence
- Thank God for modern remedies: the medievals were often useless or even harmful.
- I don't think you should hop on like those guys because it's harmful to your health.
- Sunscreen shields against the harmful effects of solar rays.
Synonyms of harmful
6 more synonymsFewer synonyms
- noisome
- prejudicial
- scathand
- scathel
- sullen
- venom
Antonyms
Forms of harmful
| comparative | harmfuller |
|---|---|
| comparative | more harmful |
| superlative | harmfullest |
| superlative | most harmful |
| alternative form | harmfull |
Origin of harmful
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.
Words formed from harmful
Questions about harmful
- What does harmful mean?
- Harmful means causing or likely to cause harm or damage; injurious.
- What is harmful in Hindi?
- Harmful in Hindi is हानिकारक (hānikārak), अहितकर (ahitkar), अपकारी (apkārī). See Harmful meaning in Hindi.
- What part of speech is harmful?
- Harmful is an adjective.
- How do you pronounce harmful?
- Harmful is pronounced /ˈhɑːmfl̩/ (UK).
Words near harmful in the dictionary
Source and license
Adapted from Wiktionary: harmful (page history and authors); harmful (Tamil, IndicTrans2 machine translation) (model and license); अपायकारक (Marathi) (page history and authors); harmful (Malayalam Wiktionary) (page history and authors); harmful (Kannada, IndicTrans2 machine translation) (model and license); harmful (Punjabi, IndicTrans2 machine translation) (model and license); નુકસાનકારક (Gujarati) (page history and authors); harmful (Odia, IndicTrans2 machine translation) (model and license); harmful (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-harmful.ogg.
Cite this entry: “harmful.” Word.ws, https://word.ws/harmful. Based on Wiktionary, CC BY-SA 4.0.