Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lag”

lag

verb uk   /læɡ/ (-gg-) us  

lag verb (MOVE SLOWLY)

[I] to move or make progress so slowly that you are behind other people or things: He's lagging behind a bit - I think we'd better wait for him to catch us up. Sales are lagging at the moment.

lag verb (COVER)

[T] to cover something with a thick layer of material in order to stop heat from escaping or to stop water from freezing: to lag pipes

lag verb (PRISON)

[T] Australian English informal to send someone to prison or to arrest someone

lag

noun [C] uk   /læɡ/ us  

lag noun [C] (DELAY)

a delay between two things happening: You have to allow for a time lag between order and delivery.

lag noun [C] (PRISONER)

UK old-fashioned informal a prisoner or a person who has often been a prisoner in the past: an old lag
(Definition of lag from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of lag?
Add Cambridge dictionaries to your browser to your website

More meanings of “lag”

Definitions of “lag” in other dictionaries

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More