Thesaurus.com
Dictionary.com
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.

“These were just fantastic groves. Not anything left.”

From Slate • Apr. 20, 2026

He had splurged and gotten his nails done, and they looked fantastic, which I was sure to compliment him on.

From Salon • Apr. 19, 2026

Parker described the experience as "fantastic" and "historic", a chance to pick up the torch left by Apollo.

From BBC • Apr. 18, 2026

“The lake is fantastic, but there were a lot of looky-loos coming around all the time, and I just never felt like I could get away,” said Adam, 49.

From The Wall Street Journal • Apr. 18, 2026

I get a V, an M, and a W. Friggin’ fantastic.

From "Red Flags and Butterflies" by Sheryl Azzam

Vocabulary lists containing fantastic

"What Is the Horror Genre?" Vocabulary from the literary criticism

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

"What is the Horror Genre?" by Sharon A. Russell

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

"Frankenstein" and "How Frankenstein Began"

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!