Love words? Sign up for our Word of the Day!
1630s, from Latin quiescentia, from quiescere (see quiescent).
c.1600, from Latin quiescentem (nominative quiescens), present participle of quiescere, inchoative verb formed from quies "rest, quiet" (see quiet (n.)).
quiescent qui·es·cent (kwē-ěs'ənt, kwī-)adj. Being quiet, still, or at rest; inactive.