English Reference

Word

lam

US/ˈɫæm/

UK/lˈæm/

Definitions

01escaping from the law

C1

n. the act of running away or hiding, usually from the police.

n. a flight or escape, typically from legal authorities or a prison; most commonly used in the idiomatic phrase 'on the lam'.

“The bank robber has been on the lam for three weeks now.”

“After the prison break, the fugitives remained on the lam for several months, successfully evading multiple state-wide manhunts.”

Slang · Informal

Usage

Almost exclusively used in the prepositional phrase 'on the lam'.

Teaching tip

This is a classic American noir or 'gangster' term; while still understood, it sounds slightly dated or cinematic to modern ears.

03to run away

C2

v. to run away quickly, especially to avoid getting caught.

v. to flee or depart hastily; an intransitive verb often associated with criminal activity.

“As soon as they heard the sirens, the vandals decided to lam.”

“The suspects were forced to lam through the back alley when the police blockade appeared at the front of the building.”

Slang · Archaic

Usage

Intransitive; does not take a direct object.

Teaching tip

The verb form is much rarer than the noun phrase 'on the lam' and may sound very old-fashioned to native speakers.

Synonyms

Antonyms

Real-World Examples

“According to Charlotte, who has adapted it for audio: “It imagines my last few hours on the lam having run away from home and school when I was 14 in 1978.”
The Guardian · 23 Sept 2026
“The show Hunted had us all imagining how we would go on the lam, evading the attention of the surveillance state.”
The Guardian · 12 Sept 2026

Idioms

take it on the lam — To escape.

Domain

Military

This entry

Level
C2 · Proficiency
Frequency
Frequent
Updated

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