crack up

crack up

verb

Definition of CRACK UP

1

to declare enthusiastic approval of <that sports car isn't all it's cracked up to be>

Synonyms accredit, applaud, cheer, crack up, hail, laud, praise, salute, tout

Related Words bravo, clap, rise (to); ballyhoo; approve, commend, endorse (also indorse), favor, recommend, root (for), support; celebrate, emblazon, eulogize, extol (also extoll), glorify, magnify, sing; adulate, belaud, flatter, overpraise; deify, idolize

Near Antonyms belittle, discommend, disparage, put down; blame, censure, reprehend, reprobate; admonish, chide, criticize, rebuke, reprimand, reproach, reprove; castigate, excoriate, keelhaul, lambaste (or lambast), skewer, slag [chiefly British], vilify

Antonyms knock, pan, slam

2

to praise or publicize lavishly and often excessively <the movie is being cracked up as the blockbuster of the summer>

Synonyms ballyhoo, blow up, crack up, cry up, glorify, trumpet, tub-thump

Related Words acclaim, applaud, extol (also extoll), laud, magnify; commend, compliment, eulogize; advance, advertise, announce, blare, blaze, blazon, boost, herald, offer, plug, promote, publicize; assert, aver, claim, declare, lay down, make out, proclaim, pronounce

3

to show mirth with an explosive vocal sound <try not to crack up at your own punch lines—it's funnier if you keep a straight face>

Synonyms break up, cackle, chortle, chuckle, crack up, giggle, hee-haw, roar, scream, snicker, titter, twitter

Related Words grin, smile

Near Antonyms bawl, blubber, cry, sob, weep; howl, scream, squall, wail, yowl; bleat, pule, whimper, whine; sniffle, snivel; groan, moan, sigh