Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Quaint or strange in form, conception, or appearance.
- adj. Unrestrainedly fanciful; extravagant: fantastic hopes.
- adj. Bizarre, as in form or appearance; strange: fantastic attire; fantastic behavior.
- adj. Based on or existing only in fantasy; unreal: fantastic ideas about her own superiority.
- adj. Wonderful or superb; remarkable: a fantastic trip to Europe.
- n. An eccentric person.
Century Dictionary and Cyclopedia
- Of the nature of a phantom or fantasy; produced or existing only in imagination; imaginary; not real.
- Due to fantasy or whim; arising from or caused by caprice; groundless; illusive.
- Morbidly or grotesquely fanciful; manifesting a disordered imagination; chimerical.
- Suggestive of fantasies through oddness of figure, action, or appearance, or through an air of unreality; whimsically formed or shaped; grotesque.
- Controlled by fantasy; indulging the vagaries of imagination; capricious: as, fantastic minds; a fantastic mistress.
- Synonyms Grotesque, etc. (see fanciful); odd, qneer, strange, freakish, quaint.
- n. One who acts fantastically or ridiculously; a grotesque. Sometimes used in the plural of a company of persons grotesquely dressed, and acting or parading in a ludicrous way, for amusement.
Wiktionary
- adj. Existing in or constructed from fantasy; of or relating to fantasy; fanciful.
- adj. Not believable; implausible; seemingly only possible in fantasy.
- adj. Wonderful; marvelous; excellent; extraordinarily good or great (used especially as an intensifier).
GNU Webster's 1913
- adj. Existing only in imagination; fanciful; imaginary; not real; chimerical.
- adj. Having the nature of a phantom; unreal.
- adj. Indulging the vagaries of imagination; whimsical; full of absurd fancies; capricious.
- adj. Resembling fantasies in irregularity, caprice, or eccentricity; irregular; oddly shaped; grotesque.
- n. A person given to fantastic dress, manners, etc.; an eccentric person; a fop.
WordNet 3.0
- adj. existing in fancy only
- adj. ludicrously odd
- adj. fanciful and unrealistic; foolish.
- adj. extraordinarily good or great ; used especially as intensifiers
- adj. extravagantly fanciful in design, construction, appearance
Etymologies
- fantasy + -ic (Wiktionary)
- Middle English fantastik, imagined, from Old French fantastique, from Late Latin phantasticus, imaginary, from Greek phantastikos, able to create mental images, from phantazesthai, to appear; see fantasy. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The La's were absolutely fantastic ... and that album is similarly * absolutely fantastic*; proof positive that Lee Mavers is absolutely one of our greatest songwriters.”
“In intrusion fantasy the fantastic is the bringer of chaos.”
“But Mr. Smith, who earns about $90,000 a year working in new-business development for a manufacturing company, has what he calls "fantastic" medical insurance through his job.”
“SNOW: After the White House, President Bush wants to build what he calls a fantastic freedom institute in Dallas.”
“SNOW: After the White House, President Bush wants to build what he calls a fantastic freedom institute in Dallas, but first Draper says Mr. Bush told him he needs to replenish the old coffers, noting he can make what he calls ridiculous money on the lecture circuit saying I don't know what my dad gets but it's more than 50, 75.”
“DailyMu.se, on Monday, August 1, to what she describes as A fantastic reception.”
“One such project is the soon-to-open Mission Square development, which he described as "fantastic.”
“In 1992 Vicki, her husband and two young daughters moved to Christchurch, which she describes as a fantastic place to live with the mountains and skifields so close, the beach just 10 minutes drive from home and work a short bike ride away.”
“Admirers of the statue call it "fantastic" and say it "has a very strong provocative message.”
The Huffington Post: Todd Hartley: Two Thumbs Up for Giant Offensive Fingers
Lists
These user-created lists contain the word ‘fantastic’.
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G[r]eek
A collection of words found in English that are either purely Greek or have Greek etymology.
Please add with caution and certainty. Will be regularly updated by me.etymology, philosophy, laconic, disharmony, patriarchic, archaic, phlogiston, aether, aeon, angel, arachnid, rhythm and 346 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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Tresgeek's TV Words List
Maybe it's a single-word catchphrase, maybe it's a word that evokes a particular episode, scene, or character, but if you watch as much television as I do, there are certain words you can't use in ...
fantastic, chlamydia, slap, seriously, bears, airlock, frack, spectacular, ah, bach!, yabba dabba do, that's all folks, warning! and 1 more...
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no. 2
lethargic, draining, bane of one's life, hectic, mission, downer, annoying, a pain in the pro..., proverbial, stressful, not ideal, debilitating and 20 more...
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Overwhelming
Descriptive, emotional, powerful words.
delightful, wonderful, spectacular, great, fantastic, amazing, magnificent, inspiring, intense, brilliant, blatant, hilarious and 2 more...
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Rad Words.
Put any Rad word, any at all.
super, rad, awesome, amazing, cool, nerdfightastic, fantastic, spectacular, groovy, funky, dishy, sick and 5 more...
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But technically it means...
Words with technical senses resembling but not wholly reflective of vernacular usage, often because of a need for greater precision in some discipline or other.
planet, twilight, substance, zombie, sublime, type, token, natural, life, epidemic, evolution, likelihood and 12 more...
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the brothers
factotem, extrapolation, antinomy, antenome, pusillanimous, capons, caftan, pejorative, cropper, cowl, perfidious, fichu and 138 more...
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Random Words
lochia, confused, innoxious, naive, cockatrice, derisive, parsley, passive, casual, football, innuendo, Rumanian and 176 more...
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indubitably09's list
Words that are fun to say out loud.
indubitably, exemplar, aberrant, viscosity, virility, fantastic, covert
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Twitter favourites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favourite word" and adds it to this list.
See also:
thunderfuck, incredible, merp, sara, flopparoo, smother, fugly, buer, plum, canny, nefelibata, cuntbucket and 1972 more... -
Twitter favorites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favorite word" and adds it to this list.
See also:
grabbable, retuiteando, leaving, fantastic, absolutely, kurwa, hella, ridic, underpass, hate, interlude, plush and 2369 more... -
The Sog Collection
My big word list.
chaos, flaccid, empirical, flotsam, cacophony, grumble, assuage, awe, romance, mortality, coalesce, fortuitous and 3282 more...
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Apples to Apples: Green Cards
A complete list of the green cards (adjectives) from the popular word game.
absurd, addictive, adorable, aged, American, ancient, animated, annoying, appetizing, arrogant, awesome, awkward and 237 more...
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Basic English Vocabulary
Very basic words for ESL students.
contemplate, container, consumer, consultant, consensus, conscious, conscience, connection, confusion, confront, conflict, confident and 4334 more...
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Sweet Smoke of Rhetoric
The ones with which I flavor my speech, and the ones I love to find peppered in literature.
perspicacious, acerbic, vituperation, loquacious, castigate, vitriolic, scintillating, provenance, frolic, attendant, pursuant, epistemology and 313 more...
Tweets
Looking for tweets for fantastic.

yarb I'd say that was by far the more common usage now. Jun 17, 2008
johnmperry Used more and more as some sort of feeble
intensifier. Jun 17, 2008
zachhale What a fantastic word. Jun 6, 2008