verb (used with object)
verb (used without object)
adjective, cross·er, cross·est.
- Biology. (of a chromosome segment) to undergo crossing over.
- to switch allegiance, as from one political party to another.
- to change successfully from one field of endeavor, genre, etc., to another: to cross over from jazz to rock.
- to die; pass away.
- to change arrangements made with; deceive: He crossed me up after we had agreed to tell the police the same story.
- to confuse: I was supposed to meet him at the station, but got crossed up.
Words nearby cross
Idioms for cross
Origin of cross
OTHER WORDS FROM crosscross·a·ble, adjectivecross·a·bil·i·ty, nounre·cross, verbun·cross·a·ble, adjective
synonym study for cross
British Dictionary definitions for cross up (1 of 3)
noun the Cross
British Dictionary definitions for cross up (2 of 3)
British Dictionary definitions for cross up (3 of 3)
- the process of crossing; hybridization
- an individual produced as a result of this process
- slang dishonestly
- to meet and passthe two trains crossed
- (of each of two letters in the post) to be dispatched before receipt of the other
- to trace the form of the Cross, usually with the thumb or index finger upon (someone or something) in token of blessing
- to make the sign of the Cross upon (oneself)
Derived forms of crosscrosser, nouncrossly, adverbcrossness, noun
Word Origin for cross
Science definitions for cross up
Idioms and Phrases with cross up (1 of 2)
Betray, double-cross, cheat, as in Jack crossed up his buddies and told the police they had broken in. Originally this usage often was put simply as to cross. [Early 1800s]
Confuse, muddle, as in We all planned to meet at the restaurant but several of us got crossed up as to time and place.
Idioms and Phrases with cross up (2 of 2)
In addition to the idioms beginning with cross
- cross a bridge when one comes to it
- cross as a bear
- cross my heart and hope to die
- cross one's fingers
- cross one's mind
- cross over
- cross someone's palm with silver
- cross someone's path
- cross swords
- cross the Rubicon
- cross to bear
- cross up
- at cross purposes
- at the crossroads
- caught in the middle (cross-fire)
- dot one's i's and cross one's t's
- double cross
- get one's wires crossed