quiet - noun

a period of calm weather

an untroubled state; free from disturbances

the absence of sound

a disposition free from stress or emotion

quiet - verb

• become quiet or quieter
• make calm or still

quiet - adjective

• characterized by an absence or near absence of agitation or activity
• free of noise or uproar; or making little if any sound
• of the sun characterized by a low level of surface phenomena like sunspots e.g.
• not showy or obtrusive
• in a softened tone
• (of a body of water) free from disturbance by heavy waves

quiet - adverb

• with little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly')

quiet - thesaurus

calm   hush   hushed   lull   muted   placid   placidity   quiesce   quieten   quietly   repose   restrained   serenity   silence   smooth   still   subdued   tranquil   tranquility   tranquilize   tranquillise   tranquillity   tranquillize   unruffled