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Definitions

fantastic

[fan-tas-tik] / fænˈtæs tɪk /
ADJECTIVE
strange, different; imaginary
Synonyms
STRONGEST
absurd crazy exotic fanciful grotesque imaginative implausible incredible insane ludicrous odd outlandish preposterous ridiculous singular unbelievable unreal weird
WEAK
artificial capricious chimerical comical eccentric erratic extravagant extreme far-fetched fictional foolish foreign freakish hallucinatory illusive irrational mad misleading nonsensical out of sight peculiar phantasmagorical quaint suppositious unlikely wacky whimsical
Antonyms
STRONGEST
balanced believable credible familiar logical normal ordinary plausible rational real realistic sensible serious unimaginative
ADJECTIVE
enormous
Synonyms
STRONGEST
great huge overwhelming tremendous
WEAK
cracking extreme humongous massive monstrous monumental prodigious severe stupendous towering
Antonyms
STRONGEST
insignificant little miniature minute small tiny
ADJECTIVE
wonderful, excellent
Synonyms
STRONGEST
awesome delicious first-rate great marvelous sensational superb unreal
WEAK
A-1 best best ever cat's meow far-out first-class like wow out of sight out of this world primo
Antonyms
STRONGEST
bad inferior insignificant ordinary poor unamazing
WEAK
common commonplace conventional customary familiar unpleasant usual

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She was fantastic with fabrics, so I knew I could really play with it.”

From MarketWatch • Apr. 7, 2026

She has this fantastic wallpaper that she did up the walls, across the ceiling, and turned into drapes.

From MarketWatch • Apr. 7, 2026

Race organiser Duncan Smith said: "It's been a brilliant day with fantastic weather, after three years when it's absolutely bucketed down with rain."

From BBC • Apr. 6, 2026

We have become fantastic at interacting with surfaces, all while our data is harvested and our attention monetized behind the veil of user-friendliness.

From Slate • Apr. 4, 2026

They can take away my freedom, but not my fantastic ability to hold a grudge.

From "Internment" by Samira Ahmed