Lagging definition: the act of falling or staying behind.. See examples of LAGGING used in a sentence.

The meaning of LAG is a falling or staying behind : the act or the condition of lagging. How to use lag in a sentence. Synonym Discussion of Lag.

lagging (ˈlæɡɪŋ) n 1. insulating material wrapped around pipes, boilers, etc, or laid in a roof loft, to prevent loss of heat 2. the act or process of applying lagging

lag behind He's lagging behind - I think we'd better wait for him to catch us up. Sales are lagging at the moment.

Sep 23, 2025 · lagging (usually uncountable, plural laggings) The covering of something with strips of felt, wood etc, either as insulation or for protection. The material so used. "Whether …

Mechanical Engineering, Building to line or cover (an excavation) with lagging. Building to cover with insulation, as a steam boiler, to prevent radiation of heat.

Lagging is special material which is used to cover pipes, water tanks, or the inside of a roof so that heat does not escape from them or so they do not freeze.

When you can't keep up with your fellow marathon runners, you can say that you lag behind them. The word lag describes a kind of slowness or delay. As a noun, it means a slowing: "The …

The meaning of LAGGING is present participle of lag:2.

Definition of lag verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.