flea
noun
any of numerous small, wingless bloodsucking insects of the order Siphonaptera, parasitic upon mammals and birds and noted for their ability to leap.
fleas
-
pluralof flea.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Some days it feels like we’re losing a battle against mosquitoes, ticks, fleas, flies and worms.
From Los Angeles Times ● Aug. 16, 2026
The cats are all fixed, vaccinated, tested for FIV/Felv, microchipped and treated for fleas and worms.
From Los Angeles Times ● Aug. 10, 2026
"While these treatments play a vital role in public and pet health against fleas and ticks, it is right that we assess the availability of these treatments to ensure correct usage by owners," they added.
From BBC ● Aug. 5, 2026
Scott: We did a nice dinner down by the beach, and everyone got bit by the sand fleas that weren’t supposed to be there.
From The Wall Street Journal ● Apr. 6, 2026
“I found fourteen fleas on him last night. Just on one side.”
From "Franny and Zooey" by J. D. Salinger
