verb (used without object)
verb (used with object)
- (of a sailing vessel) to sail in high winds under sails that would normally be furled.
- (of a power vessel) to advance at full speed in heavy weather.
- to suffer a mental or emotional breakdown.
- to crash, as in an automobile or airplane: He skidded into the telephone pole and cracked up.
- to wreck an automobile, airplane, or other vehicle.
- to laugh or to cause to laugh unrestrainedly: That story about the revolving door really cracked me up. Ed cracked up, too, when he heard it.
- to begin moving or working; start: Let's get cracking on these dirty dishes!
- to work or move more quickly.
Origin of crack
Related formscrack·a·ble, adjectivecrack·less, adjective
British Dictionary definitions for crack a book
- the very instant that the sun rises
- very early in the morning
Word Origin for crack
Idioms and Phrases with crack a book (1 of 2)
crack a book
Open a book to study or read, as in He passed the exam without cracking a book. This expression employs the verb to crack in the sense of “to open,” a slang usage that dates from the early 1700s. [Colloquial; c. 1930]
Idioms and Phrases with crack a book (2 of 2)
In addition to the idioms beginning with crack
- crack a book
- crack a bottle
- crack a joke
- crack a smile
- crack down
- cracked up
- crack of dawn
- crack the whip
- crack up
- by jove (cracky)
- fall between the cracks
- get cracking
- hard nut to crack
- have a crack at
- make a crack
- not all it's cracked up to be
- paper over (the cracks)