1
: free from harm, liability, or loss
2
: lacking capacity or intent to injure : innocuous
a harmless joke
harmlessly
adverb
harmlessness
noun
Examples of harmless in a Sentence
His ideas seem harmless enough.
We're just having a bit of harmless fun.
It was just a harmless joke.
Recent Examples on the Web
The texters have multiple objectives by sending seemingly harmless missives to your phone.
—
Kevin Williams, CNBC, 25 Apr. 2025
Some plots involved the unruly but harmless Darling family, depicted as hillbillies who seemed alien to even the small-town residents of Mayberry.
—Alice George, Smithsonian Magazine, 23 Apr. 2025
But his big heart and harmless nature are something the Hot Tub Time Machine actor can relate to.
—Emily Blackwood, People.com, 15 Apr. 2025
Immunoglobulin, proteins that are supposed to identify and attack parasites or a virus, instead go after the otherwise harmless allergen.
—Dylan Scott, Vox, 15 Apr. 2025
See All Example Sentences for harmless
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Kevin Williams, CNBC, 25 Apr. 2025
Some plots involved the unruly but harmless Darling family, depicted as hillbillies who seemed alien to even the small-town residents of Mayberry.
—Alice George, Smithsonian Magazine, 23 Apr. 2025
But his big heart and harmless nature are something the Hot Tub Time Machine actor can relate to.
—Emily Blackwood, People.com, 15 Apr. 2025
Immunoglobulin, proteins that are supposed to identify and attack parasites or a virus, instead go after the otherwise harmless allergen.
—Dylan Scott, Vox, 15 Apr. 2025
See All Example Sentences for harmless
Cite this Entry
“Harmless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/harmless. Accessed 29 Apr. 2025.
Copy CitationKids Definition
harmless
adjective
harm·less
ˈhärm-ləs 
1
: free from harm
2
: unable to harm
harmlessly
adverb
harmlessness
noun
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