quiet

characterized by an absence or near absence of agitation or activity

• “a quiet life”
• “a quiet throng of onlookers”
• “quiet peace-loving people”
• “the factions remained quiet for almost 10 years”

free of noise or uproar; or making little if any sound

• “a quiet audience at the concert”
• “the room was dark and quiet”

not showy or obtrusive

• “clothes in quiet good taste”

in a softened tone

• “hushed voices”
• “muted trumpets”
• “a subdued whisper”
• “a quiet reprimand”

without untoward incident or disruption

• “a placid existence”
• “quiet times”

(of a body of water) free from disturbance by heavy waves

• “a ribbon of sand between the angry sea and the placid bay”
• “the quiet waters of a lagoon”
• “a lake of tranquil blue water reflecting a tranquil blue sky”
• “a smooth channel crossing”
• “scarcely a ripple on the still water”
• “unruffled water”

of the sun; characterized by a low level of surface phenomena like sun spots e.g.

a period of calm weather

• “there was a lull in the storm”

an untroubled state; free from disturbances

the absence of sound

• “he needed silence in order to sleep”
• “the street was quiet”

a disposition free from stress or emotion

become quiet or quieter

• “The audience fell silent when the speaker entered”

make calm or still

• “quiet the dragons of worry and fear”

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

• “her hands rested quietly in her lap”
• “the rock star was quietly led out the back door”
• “sit here as quiet as you can”