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 grunting, the couple now know, was not harmless.
—
Daniella Gray, MSNBC Newsweek, 6 July 2025
For most people, drinking a concoction of OJ, coconut water and pink salt is pretty darn harmless and could even be beneficial.
—Bruce Y. Lee, Forbes.com, 5 July 2025
There are also types of growth that are completely harmless but still concerning.
—Chris McKeown, The Enquirer, 2 July 2025
Most are harmless but don’t have much substance or a defining message.
—Lauren Brown West-Rosenthal, Parents, 2 July 2025
See All Example Sentences for harmless
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Daniella Gray, MSNBC Newsweek, 6 July 2025
For most people, drinking a concoction of OJ, coconut water and pink salt is pretty darn harmless and could even be beneficial.
—Bruce Y. Lee, Forbes.com, 5 July 2025
There are also types of growth that are completely harmless but still concerning.
—Chris McKeown, The Enquirer, 2 July 2025
Most are harmless but don’t have much substance or a defining message.
—Lauren Brown West-Rosenthal, Parents, 2 July 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 18 Jul. 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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