Find Synonyms
harmful Synonyms
Another word for harmful
Choosing another word for harmful that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Causing or likely to cause physical, mental, or material damage, injury, or negative effects.
Usage Example
"Prolonged exposure to direct midday sunlight can be damaging to unprotected skin."
Strongest
damaging
detrimental
injurious
deleterious
hurtful
Strong
destructive
noxious
pernicious
adverse
unhealthy
Opposites of harmful
The opposite of harmful shifts depending on context. Common opposites include:
harmless
beneficial
wholesome
healthy
safe
benign
salutary
innocuous
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Harmful. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/harmful