instanter

形容词 instant:

1. occurring with no delay
   同义词：instantaneous, instant
2. in or of the present month
   同义词：instant, inst
3. demanding attention
   同义词：clamant, crying, exigent, insistent, instant

in.stan.ter

adv.（副词）
Without delay; instantly.
没有耽搁地；马上地

来源：
Medieval Latin
中世纪拉丁语
from Latin [urgently]
源自 拉丁语 [急迫地]
from onst3ns onstant- [present] * see instant
源自 onst3ns onstant- [当前的] *参见 instant