Dictionary.com
Thesaurus.com
Showing results for crocodilian. Search instead for crocodylia.

crocodilian

American  
[krok-uh-dil-ee-uhn] / ˌkrɒk əˈdɪl i ən /

noun

  1. any reptile of the order Crocodylia, comprising the true crocodiles and the alligators, caimans, and gavials.


adjective

  1. of, like, or pertaining to a crocodile.

  2. hypocritical; insincere.

crocodilian British  
/ ˌkrɒkəˈdɪlɪən /

noun

  1. any large predatory reptile of the order Crocodilia, which includes the crocodiles, alligators, and caymans. They live in or near water and have a long broad snout, powerful jaws, a four-chambered heart, and socketed teeth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of, relating to, or belonging to the Crocodilia

  2. of, relating to, or resembling a crocodile

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
crocodilian Scientific  
/ krŏk′ə-dĭlē-ən /
  1. Any of various semiaquatic reptiles of the order Crocodilia, including the alligators, crocodiles, caimans, and gavials. Crocodilians are squat, massive, and lizardlike, with long, powerful jaws, long, heavy tails, short legs, and thick, plated skin. Like dinosaurs, crocodilians are archosaurs, and their closest modern relatives are the birds.


Etymology

Origin of crocodilian

crocodile + -ian; crocodilian defs. 1, 2 were first recorded in 1835–40 and crocodilian def. 3 in 1625–35

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.

See Examples For:

It's known as a marine crocodile, but it's more accurately a thalattosuchian rather than a true crocodilian.

From BBC Apr. 22, 2026

Dr. David Schwimmer, a leading authority on the massive North American crocodilian genus Deinosuchus and a geology professor at Columbus State University, has helped bring a prehistoric giant back to life.

From Science Daily Apr. 15, 2026

From Herculano-Houzel's perspective, it is both inaccurate and unfair to lump in the T. rex with its distant crocodilian relatives, regardless of the qualification that they would have been "smart" crocodiles.

From Salon May 4, 2024

It’s possible that a crocodilian or a dinosaur, such as a large deinonychosaur or a juvenile Tyrannosaurus rex, may have left such marks, the study authors suggested.

From Scientific American Oct. 14, 2022

The three men stood silent and tense as the two crocodilian monsters stopped before them.

From Astounding Stories, April, 1931 by Various

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training