quietus

UK: /kwaɪˈiːtəs/ US: (kwī ē′təs)

Inflections of 'quietus' (n): npl: quietuses

WordReference Random House Unabridged Dictionary of American English © 2025

qui•e•tus  (kwī ē′təs), n., pl. -tus•es. 

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

• Medieval Latin quiētus quit (in quiētus est (he) is quit, a formula of acquittance), Latin: (he) is quiet, at rest (see quiet¹); compare quit¹ (adjective, adjectival)
• 1530–40

Collins Concise English Dictionary © HarperCollins Publishers::

quietus / kwaɪˈiːtəs -ˈeɪtəs/ noun ( -tuses)

1. anything that serves to quash, eliminate, or kill
2. a release from life; death
3. the discharge or settlement of debts, duties, etc

Etymology: 16th Century: from Latin quiētus est, literally: he is at rest, quiet