Adjective

(-)

At rest, stationary, immobile, not moving.

*{{quote-book, year=1913, author=

, chapter=4, title= Lord Stranleigh Abroad , passage=Nothing could be more business-like than the construction of the stout dams, and nothing more gently rural than the limpid lakes, with the grand old forest trees marshalled round their margins like a veteran army that had marched down to drink, only to be stricken motionless at the water’s edge.}}

Adjective

(en adjective)

Inactive, at rest, quiet.

The bats were quiescent at that time of day, so we slowly entered the cave.

* Professor Wilson

In times of national security, the feeling of patriotism is so quiescent that it seems hardly to exist.

(grammar) Not sounded; silent.

The k is quiescent in "knight" and "know".