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
Recent Examples on the Web
Your recent column on a cat not willing to allow flea medication resonated with me.
—
Joan Morris, Mercury News, 22 Sep. 2025
The first tantalizing miss was on a flea flicker, almost cosmically in sync with a near-identical play call by the Bears across the country.
—Bennett Durando, Denver Post, 21 Sep. 2025
The controversy began at the end of last school year at Sacramento’s Phoebe Hearst Elementary when the school experienced a flea infestation, NBC affiliate KCRA and ABC affiliate KXTV reported.
—David Chiu, PEOPLE, 19 Sep. 2025
Eventually, her father lost his job for being Jewish and the family was forced to flea to Italy.
—Miami Herald, 19 Sep. 2025
See All Example Sentences for flea
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Joan Morris, Mercury News, 22 Sep. 2025
The first tantalizing miss was on a flea flicker, almost cosmically in sync with a near-identical play call by the Bears across the country.
—Bennett Durando, Denver Post, 21 Sep. 2025
The controversy began at the end of last school year at Sacramento’s Phoebe Hearst Elementary when the school experienced a flea infestation, NBC affiliate KCRA and ABC affiliate KXTV reported.
—David Chiu, PEOPLE, 19 Sep. 2025
Eventually, her father lost his job for being Jewish and the family was forced to flea to Italy.
—Miami Herald, 19 Sep. 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 26 Sep. 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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