名詞 certitude:

1. total certainty or greater certainty than circumstances warrant
   同義詞：cocksureness, overconfidence

cer.ti.tude

n.（名詞）
The state of being certain; complete assurance; confidence.
確定：確信的狀態(tài)；完全的確信；信心
Sureness of occurrence or result; inevitability.
必然：發(fā)生或結(jié)局的確定性；必然性
Something that is assured or unfailing:
保證或不出錯(cuò)的事物：
例句：
.eager to swap the hazards of American freedom for the gray certitudes of Soviet life.(Time)See Synonyms at certainty
.急于以美國(guó)式自由的冒險(xiǎn)來(lái)?yè)Q取蘇維埃式單調(diào)但有保證的生活.(時(shí)代)參見(jiàn) certainty

來(lái)源：
Middle English
中古英語(yǔ)
from Late Latin certitôdô
源自 后期拉丁語(yǔ) certitôdô
from Latin certus [certain] * see certain
源自 拉丁語(yǔ) certus [確定] *參見(jiàn) certain