What does "jurassic" mean?
Of or pertaining to the second period of the Mesozoic era, a time still dominated by dinosaurs.
Jurassic
/d͡ʒʊˈɹæs.ɪk/ adj, name, slang
adj, name, slang ·Moderate ·High school level
Meaning at a glance
- Primary sense: Of or pertaining to the second period of the Mesozoic era, a time still dominated by dinosaurs.
- Grammar: jurassic is listed as adj, name, slang.
- Nearest alternatives: ancient, antiquated, dated, era.
- Useful contrasts: contemporary, modern.
- Usage evidence: The dinosaurs in the film "Jurassic Park" were true-to-life.
How to use "jurassic"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "jurassic" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "jurassic" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "jurassic" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "jurassic" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "jurassic" is acting as adj, name, slang in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "ancient" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "jurassic", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Adjective
- 1 Of or pertaining to the second period of the Mesozoic era, a time still dominated by dinosaurs. not-comparable
"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.”"
- 2 Of or pertaining to the Mesozoic era as a whole. broadly, not-comparable, proscribed
- 3 Of or pertaining to the people or region near the Jura Mountain Range of Europe. not-comparable
"The Jurassic, the Spanish and the Italian federations and sections of the International Working Men's Association, as also the French, the German and the American anarchist groups, were for the next years the chief centres of anarchist thought and propaganda."
- 4 Very old-fashioned and outdated. informal, not-comparable
"Those fears and excuses seem positively Jurassic more than eighty years later."
Adjective
- 1 of or relating to or denoting the second period of the Mesozoic era wordnet
Proper Noun
- 1 The period from 201.3±0.2 to 145 million years ago, after the Triassic and before the Cretaceous; the geologic systems of this period.
"[p 108] Like the Forest Marble Beds in the Middle Jurassic, the Purbeck Beds of the Upper Jurassic are deltaic or estuarine in origin, so as well as mammals they contain small, presumably freshwater, crocodiles and the first indisputable lizards. [p 109] This is less surprising if it is recalled that in the Upper Jurassic, Europe and North America were joined to form Laurasia and the Atlantic Ocean still had to be formed …"
Synonyms
All synonymsAntonyms
Example
"The dinosaurs in the film "Jurassic Park" were true-to-life."
Common questions
What is a synonym for "jurassic"?
Common synonyms include: ancient, antiquated, dated, era, geologic period, mesozoic.
How do you use "jurassic" in a sentence?
The dinosaurs in the film "Jurassic Park" were true-to-life.
How do you pronounce "jurassic"?
Pronounced /d͡ʒʊˈɹæs.ɪk/.
Etymology
Borrowed from French Jurassique, named for the discovery and type location in the Jura Mountains of Switzerland.