Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Characterized by or causing great merriment.
Century Dictionary and Cyclopedia
- Gleefully gay or merry; manifesting high spirits; exhilarated; jolly.
Wiktionary
GNU Webster's 1913
- adj. Mirthful; noisy; merry.
WordNet 3.0
- adj. marked by or causing boisterous merriment or convulsive laughter
Etymologies
- Latin hilaris, cheerful; see hilarity + -ious.
Examples
“And hilarious -- absolutely hilarious* -- that Dems have no media allies or waterboys, want no biases, etc.”
Blogging on Instapundit, I take my first political shot at...
“Consider This: Although Hilario looks like the word hilarious, many people may not know the traditional Spanish pronunciation is “ee-LAR-ee-oh” with a silent h.”
“Now that is what I call hilarious with a pause of "OMG"!”
“I couldn't believe my eyes: a whole book of that gross humor, drawn in hilarious style?”
“Even more hilarious is the fact that this supposedly evil intrusion of the government into private business and industry is very, very, very close to the Republican plan * from 1993 that was offered as an alternative to the Clintons 'health care plan*.”
“What's hilarious is all these right-wing loonies on here thinking that this means they are on track to win the White House back in 2012!!”
“We're curious how he's learned all these accents, which he effortlessly flows out in hilarious one-sided phone conversations.”
The Huffington Post: Amazing British Kid Can Speak English In 24 Accents (VIDEO)
“Adam Sullivan says: c.s.b.: What I find hilarious is that state AGs are opposing a federal health law by arguing that states could not possibly consider withdrawing from Medicaid.”
The Volokh Conspiracy » 13 States File Suit Against Health Care Reform
“What I find hilarious is that state AGs are opposing a federal health law by arguing that states could not possibly consider withdrawing from Medicaid.”
The Volokh Conspiracy » 13 States File Suit Against Health Care Reform
“BOOK: Also, how hilarious is it that Edward's crazysparklygorgeous beauty is cut down to "the redhead"?”
Lists
These user-created lists contain the word ‘hilarious’.
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The weird, the wonderful and the plain hilarious
Loved for their ingenuity, an exact description, or simply for the pure joy of it.
acidulous, aprosdoketon, higgledy-piggledy, lexicographical, ninja, audacious, somnabulist, shivaree, amorphous, quidnunc, glib, melancholy and 353 more...
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respelt
'He spent the greater part of his life campaigning to have respelt those words that LOOK as though they are spelt wrongly but aren't.'
Re Otto Tibbit's father, fourteen times Scrabble champio...skiing, vacuum, freest, eczema, gnu, diarrhoea, taxiing, piing, safariing, qamchiing, dooziing, hongiing and 49 more...
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Kitten Is:
Mere days ago, I found a five-week-old kitten abandoned in the median of the Avenue we live on. She was in terrible shape, but is doing great now thanks to love and dedication.
The fo...small, hyper, bitey, silly, springy, soft, sage-eyed, tortoise shell, archy, darty, sneaky, bestriped and 27 more...
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Funny Laughter Words
Words that speak humor
humor, laugh, funny, laughter, hilarity, guffaw, chortle, giggle, burst, hilarious, happy, chuckle and 66 more...
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very english version
enjoyable ways to describe something fun

bilby "It's always funny until someone gets hurt. Then it's just hilarious."
- Bill Hicks. Jul 7, 2008