Word.ws English Dictionary

Plural of dinosaur

regular plural

The plural of dinosaur is dinosaurs.

Forms of dinosaur

Singulardinosaur /ˈdaɪnəsɔː(ɹ)/
Pluraldinosaurs
Countablecountable

Dinosaurs in a sentence

  • Despite what some cartoons portray, no humans were around when dinosaurs roamed the Earth.
  • Many people love their backyard birds, but some of us may not realize that those feathery friends are also literally dinosaurs, in a biologically accurate sense of that word.
  • He was frustrated because he couldn't find anything about dinosaurs in the book.From the entry book
  • The footprints of birds do not impact the soil in the way those of dinosaurs do.From the entry impact
  • A massive comet or asteroid appears to have ended the era of the dinosaurs.From the entry massive

Meaning of dinosaur

  1. noun Those animals of the clade Dinosauria that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct.
  2. noun Any of the animals belonging to the clade Dinosauria, including its sole surviving lineage: Neornithes.
  3. noun Any extinct reptile, not necessarily belonging to Dinosauria, that existed between about 230 million and 65 million years ago, as well as the stem-mammal Dimetrodon.

Full definition of dinosaur

Questions about the plural of dinosaur

What is the plural of dinosaur?
The plural of dinosaur is dinosaurs.
Is dinosaur countable?
Dinosaur is a countable noun.

Source and license

Adapted from Wiktionary: dinosaur (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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