形容詞 quiescent:

1. not active or activated
2. marked by a state of tranquil repose
3. being quiet or still or inactive
4. causing no symptoms

1. Quiescent. Used especially of a disease.
   靜止的靜止的。尤指一種疾病
2. It is unlikely that such an extremist organization will remain quiescent for long.
   這種過激的組織是不太可能長期沉默的。

qui.es.cent

adj.（形容詞）
Being quiet, still, or at rest; inactive.See Synonyms at latent
靜止的：安靜的，靜止的或休止的；不活動的參見 latent

來源：
Latin quiôscôns quiôscent- [present participle of] quiôscere [to rest]
拉丁語 quiôscôns quiôscent- [] quiôscere的現(xiàn)在分詞 [使休息]
from quiôs [quiet] * see quiet
源自 quiôs [安靜的] *參見 quiet

【引伸】
quies.cence
n.（名詞）
quies.cently
adv.（副詞）