exigent

形容词 exigent:

1. demanding attention
   同义词：clamant, crying, insistent, instant
2. requiring precise accuracy
   同义词：exacting

ex.i.gent

adj.（形容词）
Requiring immediate action or remedy.See Synonyms at urgent
紧急的：需要立即行动或补救的参见 urgent
Requiring much effort or expense; demanding.
苛求的：需要更多努力或代价的；需求的

来源：
Latin exigôns exigent- [present participle of] exigere [to demand] * see exact
拉丁语 exigôns exigent- [] exigere的现在分词 [需要] *参见 exact

【引伸】
ex.igently
adv.（副词）