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

In the 1950s, Miller began making figurines — often of dinosaurs and space aliens — using plastic injection molding. — Juliet Bennett Rylah, Los Angeles Times, 10 Aug. 2026

There’s also a scary dinosaur stampede, a volcano eruption and, oh yes, dino poop jokes. — Frank Scheck, HollywoodReporter, 9 Aug. 2026

On the island, the team makes the acquaintance of Rex (Hayden Chamberlain), a paraplegic dog who has been stranded there for two years and in that time has befriended the dinosaurs and constructed an elaborate treehouse for himself. — Caspar Salmon, Variety, 7 Aug. 2026

So, yes, there’s a reason most of us are right handed and no, dinosaurs have never actually spit venom. — Popular Science Team, Popular Science, 6 Aug. 2026