To accuse, denounce, or inform on (a person); to expose (one) by revealing or divulging information, etc., to one's harm, prejudice, or discredit…

transitive. To inform against, accuse; to call to account. Also intransitive: to inform on. Also figurative.

transitive. To inform against, betray.

to defame, publish the misdeeds of.

transitive. To inform upon (a person). Obsolete. rare.

To expose (a person) by divulging his secrets or making known his guilt or crime; to inform against, accuse. Obsolete.

To declare or make known (an offender) to the authorities; to inform against, delate, accuse.

transitive. = descry, v.1: to cry out upon on discovering; hence to espy, discover; to proclaim, denounce, publish, inform upon.

transitive. To provide (a magistrate or other person in authority) with accusatory or incriminatory information against a person or group. Cf. inform…

transitive. To inform against (a person); to give information about (a crime, etc.); (also intransitive) to act as informer. Cf. promoter, n. 3. Obs…

transitive. To give incriminating evidence against (an accomplice or associate); to inform against, betray. Now rare.

transitive. To expose, betray, inform upon. (Formerly sometimes blow up.) Now slang. Cf. 30. Also to blow the gabor gaff (see gab, n.3 phrases 2, gaff…

Sometimes in restricted sense (see quot. 1617): To give accusatory evidence against; to ‘peach’ upon. (In quot. 1820 absol. To ‘peach’.)

Cant. = whiddle, v.

slang. To turn evidence or informer; to peach; to give information detrimental to others; to betray confidence.

transitive. To inform or give evidence against (a person or accomplice). rare.

intransitive. Originally Scottish and English regional (northern). To tell, disclose, or reveal something; to inform against a person or betray a…

slang. To turn informer; to inform or ‘peach’ on a person. (Cf. squeak, v. 2.)

transitive. slang. To inform against, betray; to give (a person) up to the police. Now rare (Australian in later use).

transitive. slang. To inform on (a person). Obsolete. rare.

transitive. To make a formal statement or complaint about (a person) to a superior authority.

U.S. slang. To turn informer, to ‘squeal’.

Criminals' slang. transitive. To inform on; (also, occasionally) to incite (a person) into action by the provision of information.

To identify (a person); esp. to identify or indicate as being guilty of or responsible for a crime, transgression, etc.; (also) to identify (an…

intransitive. To inform on a criminal.

transitive (originally Criminals' slang). To report or betray (a person, esp. an associate or accomplice) to the police or other authorities. Also in…

intransitive. To practise imposture. to gag on: to ‘round’ on, inform against.

transitive. slang. To betray, to inform on; to turn (someone) in (to the police, etc.).

transitive. Australian slang. To involve (a person) against his or her will, esp. by deception; to inform on, implicate.

transitive. Chiefly Military and Navy slang and Criminals' slang. Originally: to hand (a person) over to the police. Later: = to run in 14 at…

transitive. To divulge (information); to reveal indiscreetly, blab.

transitive. Australian and New Zealand slang. To hand (a person) over for trial; to inform on. Cf. pot, n.1 phrases 10.

To give information to the police. Also transitive to inform on (a person).

Originally U.S. transitive. Criminals' slang. To indicate or identify (a person or place) as a potential target of crime.

slang. intransitive. With on. To inform on a person.

Phrases, etc. to blow the whistle on (a person or thing): to bring an activity to a sharp conclusion, as if by the blast of a whistle; now…

British colloquial (originally Criminals' slang). Cf. grass, n.1 12a. transitive. To inform on (someone) to the police or (later more widely)…

slang. transitive. With out. To inform on (a person); to betray (a person) to the police or other authorities.

transitive. Australian slang. To send to prison, to convict (cf. to put away 2f at phrasal verbs 1). Also: to inform on, ‘turn in’ (cf. to put away 4…

intransitive. Of a criminal: to become an informer, to ‘grass’.