Illustration of flea
: any of an order (Siphonaptera) of small wingless bloodsucking insects that have a hard laterally compressed body and legs adapted to leaping and that feed on warm-blooded animals
Examples of flea in a Sentence
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Were humans pulled out of the oven before we were baked?
Creatures like fleas, lizards, sharks and giraffes are hard-wired from their DNA.
—
Chris Westfall, Forbes.com, 26 May 2025
The orange tabbies, still bearing their umbilical cords and crawling with fleas, were estimated by medical staff to be less than five days old.
—Alice Gibbs, MSNBC Newsweek, 22 May 2025
According to the post, H’s cat was poorly cared for, leading to recurring issues with fleas and worms.
—Ashley Vega, People.com, 14 Apr. 2025
If your cat or dog is outside and not wearing a flea protection product, fleas hitch a ride indoors with them.
—Arricca Elin Sansone, Southern Living, 31 Mar. 2025
See All Example Sentences for flea
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Chris Westfall, Forbes.com, 26 May 2025
The orange tabbies, still bearing their umbilical cords and crawling with fleas, were estimated by medical staff to be less than five days old.
—Alice Gibbs, MSNBC Newsweek, 22 May 2025
According to the post, H’s cat was poorly cared for, leading to recurring issues with fleas and worms.
—Ashley Vega, People.com, 14 Apr. 2025
If your cat or dog is outside and not wearing a flea protection product, fleas hitch a ride indoors with them.
—Arricca Elin Sansone, Southern Living, 31 Mar. 2025
See All Example Sentences for flea
Cite this Entry
“Flea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flea. Accessed 3 Jun. 2025.
Copy CitationKids Definition
flea
noun
: any of an order of small wingless bloodsucking insects with a hard body and legs used for leaping
Medical Definition
flea
noun
: any of the order Siphonaptera comprising wingless bloodsucking insects that have a hard laterally compressed body and legs adapted to leaping and that feed on warm-blooded animals see cat flea, chigoe sense 1, dog flea, rat flea, sand flea, sticktight flea
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