instant

moment, minute, instant

名词 instant:

1. a very short time (as the time it takes the eye blink or the heart to beat)
   同义词：blink of an eye, flash, heartbeat, jiffy, split second, trice, twinkling, wink, New York minute
2. a particular point in time
   同义词：moment, minute, second

形容词 instant:

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

1. I don't like to drink instant coffee.
   我不喜欢喝速溶咖啡。
2. I took an instant dislike to him.
   我一见他就不喜欢。
3. I'll be back in an instant.
   我马上就回来。

in.stant

n.Abbr. inst.（名词）缩写 inst.
An almost imperceptible space of time.See Synonyms at moment
瞬间，顷刻：几乎觉察不到的时间段参见 moment
A particular time:
此刻，刹那：
例句：
Tell me the instant they arrive.
告诉我他们到的时间

The current month:
当月：
例句：
your letter of the 5th instant.
你本月5日的信

A food or beverage designed for quick preparation.
速食食品，即溶饮料：经过简短准备就可食用的食品或饮料
adj.Abbr. inst.（形容词）缩写 inst.
Occurring at once; immediate:
立即的；马上的：
例句：
instant gratification.
瞬间产生的喜悦

Imperative; urgent:
紧迫的；急迫的：
例句：
an instant need.
急需

Now under consideration; present.
正在考虑的；目前的

Commercially prepared or processed for quick and easy final preparation:
速食的：预先准备或加工好以便迅速简便地做好：
例句：
an instant cake mix.
配好的做糕点的材料

Readily soluble in water:
速溶的：
例句：
instant coffee; instant powdered milk.
速溶咖啡；速溶奶粉

Appearing, done, or taking place with or as if with maximum quickness and ease:
即刻产生的：出现过的或加工过的，或容易能够在最快速度生产的：
例句：
.She had the gift of instant intimacy.(Sylvia Jukes Morris)
.她善于立刻与别人打成一片.(西尔维亚·朱克斯·莫里斯)

adv.（副词）
At once; instantly.
马上；立刻

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin onst3ns onstant- [present] [present participle of] onst3re [to approach]
源自 拉丁语 onst3ns onstant- [当前的] [] onst3re的现在分词 [接近]
in- [on] * see in- 2
in- [在…上] *参见 in-2
st3re [to stand] * see st3-
st3re [站立] *参见 st3-

【引伸】
in.stantness
n.（名词）