quietness

1. The property of making no sound (synset 104990105)
   is a type of: quiet, silence - the absence of sound
   subtypes: noiselessness - the property of making no noise
   same as: soundlessness
2. A state of peace and quiet (synset 107530799)
   is a type of: calmness - a feeling of calm; an absence of agitation or excitement
   subtypes:

   • ataraxis, heartsease, peace, peace of mind, peacefulness, repose, serenity - the absence of mental stress or anxiety
   • easiness, relaxation - a feeling of refreshing tranquility and an absence of tension or worry
   same as: quietude, tranquility, tranquillity

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