Search Dictionary
Definition of jurassic

jurassic

/dʒʊˈræs.ɪk/
ju · ras · sic

JUMP TO:

jurassic Lexical Profile

jurassic Game Scores & Validity

• adjective

1

Relating to or denoting the second period of the Mesozoic era, between the Triassic and Cretaceous periods, characterized by the dominance of dinosaurs and the appearance of the first birds and mammals.

Example

"Paleontologists discovered several well-preserved Jurassic fossils embedded in the coastal cliffs."


2

Extremely antiquated, outdated, or obsolete (used humorously or hyperbolically).

Example

"The office finally replaced its jurassic computer system with modern cloud software."


3

Relating to or situated in the Jura Mountains along the border of France and Switzerland.

Example

"The expedition mapped the folded limestone formations typical of the Jurassic mountain range."

Synonyms
View all synonyms for jurassic
Antonyms
View all antonyms for jurassic

• noun

1

The second geological period of the Mesozoic era, spanning from approximately 201 million to 145 million years ago, or the system of rocks deposited during it.

Example

"Giant sauropods andplated stegosaurs flourished throughout the late Jurassic."

• Rhymes for jurassic

Word Origin & Etymology

Borrowed in the early 19th century from French jurassique, coined by German naturalist Alexander von Humboldt after the Jura Mountains between France and Switzerland, where limestone strata from this geological period were first extensively studied.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Jurassic. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/jurassic
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.