Synonyms of dinosaur

dinosaur

noun

ˈdī-nə-ˌsȯr 

1

as in relic

one that has passed the peak of effectiveness or popularity

as an old-time big-city boss, he's become something of a dinosaur in today's political world

Synonyms & Similar Words

• relic
• has-been
• fossil
• dodo
• fogy
• troglodyte
• old-timer
• mossback
• throwback
• stick-in-the-mud
• fuddy-duddy
• stodge

Antonyms & Near Antonyms

• comer
• rising star
• up-and-comer

2

as in whale

something or someone that is unusually large and powerful

not that his small lawn needed such a dinosaur, but he bought a riding mower anyway

Synonyms & Similar Words

• whale
• giant
• monster
• elephant
• mammoth
• mastodon
• titan
• hulk
• Goliath
• colossus
• behemoth
• leviathan
• jumbo
• blockbuster
• dreadnought
• whopper
• heavyweight
• giantess
• juggernaut
• bulk
• amazon
• steamroller

Antonyms & Near Antonyms

• dwarf
• midget
• diminutive
• mite
• pygmy
• runt
• half-pint
• lightweight
• weakling
• wimp
• wisp
• peewee
• nonentity
• twerp
• whippersnapper

Example Sentences

Recent Examples of dinosaur

These videos will keep them entertained and even teach them something about dinosaurs, yoga, and embracing the simple pleasures of life. — Anna Halkidis, Parents, 17 July 2026

For example, if the child loves learning about dinosaurs, think about how dinosaur toys can be included in swimming lessons. — Tana Carson, The Conversation, 17 July 2026

Another dinosaur has entered the luxury collectibles market, a reminder that even Earth’s deepest history can be sold to the highest bidder. — Kristi Curry Rogers, Washington Post, 16 July 2026

One day about 72 to 66 million years ago, a plant-eating dinosaur became Tyrannosaurus rexfood. — Laura Baisas, Popular Science, 15 July 2026