As nouns the difference between lagging and leggings
is that lagging is the covering of something with strips of felt, wood etc, either as insulation or for protection while leggings is plural of lang=en.
As an adjective lagging
is falling behind, not keeping up the pace.
As a verb lagging
is present participle of lang=en.
lagging
English
Adjective
(
en adjective)
falling behind, not keeping up the pace
Occurring after; indicating the later phase of
*
Coordinate terms
* (occurring after) leading, concurrent
Derived terms
* lagging indicator
Noun
(en-noun)
The covering of something with strips of felt, wood etc, either as insulation or for protection
The material so used
Verb
(head)
Related terms
* laggard