simple past tense and past participle of lag

falling behind, not keeping up the pace / Occurring after; indicating the later phase of

The covering of something with strips of felt, wood etc, either as insulation or for protection. / The material so used. / (slang, countable) A prison sentence.

present participle of lag

Late. / (obsolete) Last; long-delayed. / Last made; hence, made of refuse; inferior.

(countable) A gap, a delay; an interval created by something not keeping up; a latency. / (uncountable) Delay; latency. / (Britain, slang, archaic) One sentenced to transportation for a crime.

To fail to keep up (the pace), to fall behind. / To cover (for example, pipes) with felt strips or similar material (referring to a time lag effect in thermal transfer).

plural of lag

Third-person singular simple present indicative form of lag

plural of lagging