Word.ws English Dictionary

Plural of rat

regular plural

The plural of rat is rats.

Forms of rat

Singularrat /ɹæt/
Pluralrats /ɹæts/
Countablecountable

Rats in a sentence

  • Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—surgical foam, a thermal gel depot, a microcapsule or biodegradable polymer beads.2013 May-June, Charles T. Ambrose, “Alzheimer’s Disease”, in American Scientist, volume 101, number 3, page 200
  • Epizootic plague occurred in the mice following introduction of rats from Europe.From the entry epizootic
  • These results suggest that excess iodine induces thyroid involution in goitrogen-treated rats at least partially by apoptosis.From the entry goitrogen
  • When tested on rats, the compound was found to be a spasmogen.From the entry spasmogen
  • The rats came pouring out of every possible opening in the burning warehouse.From the entry pour out

Meaning of rat

  1. noun Any of the numerous members of several rodent families that usually have short limbs, a pointy snout, a long, hairless tail, and a body length greater than about 12 cm, or 5 inches.
  2. noun A medium-sized rodent belonging to the genus Rattus.
  3. noun A person who is known for betrayal.

Full definition of rat

Questions about the plural of rat

What is the plural of rat?
The plural of rat is rats.
Is rat countable?
Rat is a countable noun.

Source and license

Adapted from Wiktionary: rat (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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