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Synonyms

harmless

American  
[hahrm-lis] / ˈhɑrm lɪs /

adjective

  1. without the power or desire to do harm; innocuous.

    He looks mean but he's harmless; a harmless Halloween prank.

    Synonyms:
    benign, unobjectionable, innocent, mild, inoffensive
  2. without injury; unhurt; unharmed.


idioms

  1. hold harmless, to relieve from responsibility or liability for any damage or loss. Also save harmless.

harmless British  
/ ˈhɑːmlɪs /

adjective

  1. not causing any physical or mental damage or injury

  2. unlikely to annoy or worry people

    a harmless sort of man

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • harmlessly adverb
  • harmlessness noun

Etymology

Origin of harmless

1250–1300; Middle English; harm, -less

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.

That’s harmless if you’re a knitting hobbyist who might overestimate how many fellow citizens know the difference between a knit and a purl stitch.

From The Wall Street Journal

The research shows that small chemical markers attached to DNA actively silence genes, rather than simply appearing as harmless byproducts in inactive regions of the genome.

From Science Daily

Some see the match as harmless entertainment that will attract a newer, younger audience in the age of social media.

From BBC

That animal outside your cave could be harmless — or a predator; the survival of the species depends on assuming the worst and taking precautions.

From MarketWatch

Recent findings suggest that the sugar alcohol sorbitol may not be as harmless as it is often assumed to be.

From Science Daily