[ kwahy-ee-tuh s ]
/ kwaɪˈi təs /

noun, plural qui·e·tus·es.

a finishing stroke; anything that effectually ends or settles: Having given a quietus to the argument, she left.
discharge or release from life.
a period of retirement or inactivity.

Origin of quietus

1530–40; < Medieval Latin quiētus quit (in quiētus est (he) is quit, a formula of acquittance), Latin: (he) is quiet, at rest (see quiet1); cf. quit1 (adj.)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for quietus

British Dictionary definitions for quietus

/ (kwaɪˈiːtəs, -ˈeɪtəs) /

noun plural -tuses

anything that serves to quash, eliminate, or killto give the quietus to a rumour
a release from life; death
the discharge or settlement of debts, duties, etc

Word Origin for quietus

C16: from Latin quiētus est, literally: he is at rest, quiet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012