Merriam-Webster Collegiate Dictionary - quiet

 I. noun  Etymology: Middle English, from Anglo-French ~e, Latin ~-, quies rest, ~ — more at while  Date: 14th century the quality or state of being ~ ; tranquillity  II. adjective  Etymology: Middle English, from Middle French ~e, from Latin ~us, from past participle of quiescere  Date: 14th century  1.  a. marked by little or no motion or activity ; calm a ~ sea  b. gentle, easygoing a ~ temperament  c. not interfered with ~ reading  d. enjoyed in peace and relaxation a ~ cup of tea  2.  a. free from noise or uproar ; still  b. unobtrusive, conservative ~ clothes  3. secluded a ~ nook  • ~ly adverb  • ~ness noun  III. adverb  Date: 1573 in a ~ manner an engine that runs ~  IV. verb  Etymology: Middle English, from Late Latin ~are to set free, to calm, from Latin ~us  Date: 14th century  transitive verb  1. to cause to be ~ ; calm  2. to make secure by freeing from dispute or question ~ title to a property  intransitive verb to become ~ — usually used with down  • ~er noun