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.
It’s caused by a bacteria called Yersinia pestis that infects fleas and the small mammals that host fleas, and there are actually three types of plague depending on which part of the body becomes infected.
From Slate ● Oct. 8, 2026
When large numbers of rodents become infected and die, the fleas seek other sources of food—including humans.
From The Wall Street Journal ● Oct. 6, 2026
A clergyman I met at Reagan National Airport recently told me that our world is as filled with corruption as a Latin American animal shelter is filled with fleas.
From Salon ● Sep. 18, 2026
And talk to your veterinarian about a parasite prevention plan to combat fleas and other pests.
From Los Angeles Times ● Sep. 8, 2026
As Joe sang, dogs sat on their haunches on the wooden sidewalks watching him idly, scratching their fleas in the rain.
From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown
