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harmless
/ˈhɑːrm.ləs/
not causing harm
The puppy looked harmless, but it had sharp teeth.
The puppy seemed safe, despite its teeth.
general
not likely to cause damage or injury
She gave the child a harmless toy to play with.
The toy was safe for the child.
The chemical is harmless to humans in small doses.
The chemical is safe for humans in small amounts.
Often used to describe people, animals, or things that pose no threat.
Collocations
harmless mistakea mistake that causes no serious consequencesharmless pranka joke or trick that does not hurt anyone
Synonyms
Pro Tip
Avoid confusion with 'harmless' vs. 'harmlessly'
Use 'harmless' as an adjective (e.g., 'a harmless snake'). Use 'harmlessly' as an adverb (e.g., 'The snake moved harmlessly away.').
Gold Rule
Check for context
In medical or technical contexts, 'harmless' may imply no adverse effects, but always verify the specific meaning.
Word Origin
From Middle English *harmles*, from Old English *hearmleas* ("free from harm"), equivalent to *harm* + *-less*.
Usage Notes
Commonly used to reassure someone about a person, animal, or object. Often paired with "seem" or "look" to describe first impressions.
Word Breakdown
harm
injury or damage
root-less
without
suffixEnglish Dictionary