Meaning of rat
Pronunciation: (rat), [key]
— n., interj., v., rat•ted, rat•ting.
- any of several long-tailed rodents of the family Muridae, of the genus Rattus and related genera, distinguished from the mouse by being larger.
- any of various similar or related animals.
- a scoundrel.
- a person who abandons or betrays his or her party or associates, esp. in a time of trouble.
- an informer.
- a scab laborer.
- a person who frequents a specified place: mall rat; gym rat.
- a pad with tapered ends formerly used in women's hair styles to give the appearance of greater thickness.
- to suspect or surmise treachery; have suspicion: After noting several discrepancies in his client's story, the attorney began to smell a rat.
- (an exclamation of disappointment, disgust, or disbelief.)
- He ratted on the gang, and the police arrested them.
- to desert one's party or associates, esp. in a time of trouble.
- to turn informer; squeal:He ratted on the gang, and the police arrested them.
- to work as a scab.
- to hunt or catch rats.
- to dress (the hair) with or as if with a rat.
- rat (Thesaurus)