fleas

fleas · noun

imported

Definitions

noun

  1. 1.

    Multiple small wingless jumping insects that feed on the blood of mammals and birds.

  2. 2.

    An infestation of these insects.

Phrases & expressions

  • if you lie down with dogs, you get up with fleas — associating with bad people leads to trouble

Related words

Synonyms: parasites, pests

Etymology

Plural of "flea," from Old English flea, from Proto-Germanic flauhaz.