I. -nt adjective
Etymology: Latin quiescent-, quiescens, present participle of quiescere to be quiet — more at quiet
1.
a. : marked by a state of inactivity or repose : tranquilly at rest : motionless , quiet
the quiescent melancholy of the town — Arnold Bennett
b.
(1) : arrested
quiescent tuberculosis
(2) : causing no symptoms
quiescent gallstones
2. of a letter : not pronounced : silent — compare movable
Synonyms: see latent
II. noun
( -s )
: a silent letter (as in Hebrew)