Jurassic
/d͡ʒʊˈɹæs.ɪk/
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
Of or pertaining to the second period of the Mesozoic era, a time still dominated by dinosaurs.
Adjective
Examples
His father squinted at the skeleton. “What is it, Jurassic?” “Jeez. No. Cretaceous.” “Cretaceous? What's the difference between Cretaceous and Jurassic?” “Only about a hundred million years,” Tim said. “Cretaceous is older?” “No, Dad, Jurassic is older.”
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Of or pertaining to the Mesozoic era as a whole.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “Jurassic” mean?
Of or pertaining to the second period of the Mesozoic era, a time still dominated by dinosaurs.
Is “Jurassic” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.