Thesaurus.com
Dictionary.com
Showing results for harmless. Search instead for harmlessn.
Definitions

harmless

[hahrm-lis] / ˈhɑrm lɪs /
ADJECTIVE
not injurious or dangerous
Synonyms
STRONGEST
gentle innocent innocuous inoffensive naive nontoxic painless powerless simple
WEAK
controllable disarmed guiltless hurtless innoxious inoperative kind manageable nonirritating paper-tiger reliable safe sanitary soft softie sound sure trustworthy unobjectionable unoffensive
Antonyms
STRONGEST
bad damaging experienced harmful strong
WEAK
destructive evil hurtful injurious sinful wicked

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At the same time, I have come to regard my tech tweaks as a relatively harmless nonhuman gesture.

From MarketWatch • Apr. 3, 2026

Is it harmless fun—like guessing about the Nobel—or not?

From The Wall Street Journal • Mar. 23, 2026

In a different timeline, this would be just harmless fun — a quirk of the president’s personality, nothing more.

From Salon • Mar. 19, 2026

She wants social media platforms to introduce identification verification for an account, adding: "A fake profile might look harmless to some, but it can destroy reputations, relationships, and mental health."

From BBC • Mar. 11, 2026

The woman looked harmless, but one time she caught Albert Bowie making faces behind her back during class.

From "The Seven Wonders of Sassafras Springs" by Betty G. Birney

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.