sound

/ˈsau̇nd/

Middle English soun, from Anglo-French son, sun, from Latin sonus, from sonare to sound; akin to Old English swinn melody, Sanskrit svanati it sounds

noun

  1. a particular auditory impression : tone

  2. the sensation perceived by the sense of hearing

  3. mechanical radiant energy that is transmitted by longitudinal pressure waves in a material medium (such as air) and is the objective cause of hearing

verb

  1. to cause to sound

  2. pronounce

  3. to put into words : voice

sound a trumpet

adjective

  1. free from injury or disease

  2. free from flaw, defect, or decay

  3. solid, firm

of sound mind

sound timber

healthy sound wholesome robust hale well mean enjoying or indicative of good health. healthy implies full strength and vigor as well as freedom from signs of disease. sound emphasizes the absence of disease, weakness, or malfunction.