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Definition of unharmful

unharmful

/ʌnˈhɑːrm.fəl/
un · harm · ful
Adverb:unharmfully
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unharmful Lexical Profile

unharmful Game Scores & Validity

• adjective

1

Not causing or capable of causing physical, mental, or material harm; safe and benign.

Example

"The veterinarian assured us that the mild skin rash was completely unharmful to the puppy."

Synonyms
View all synonyms for unharmful
Antonyms
View all antonyms for unharmful

Word Nuance & Usage

While grammatically valid, 'unharmful' is much less common in standard English than 'harmless' or 'innocuous', which are generally preferred in formal and everyday contexts.

• Rhymes for unharmful

• Nearby Words

unhappy
unhardened
unharmed
unharmful
unharness
unharnessed
unharried

Cite this Entry

Wordmom. (2026). Definition of Unharmful. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unharmful
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