形容詞 nigh:

1. not far distant in time or space or degree or circumstances
   同義詞：near, close
2. being on the left side
   同義詞：near

副詞 nigh:

1. near in time or place or relationship
   同義詞：near, close
2. (of actions or states) slightly short of or not quite accomplished
   同義詞：about, just about, almost, most, all but, nearly, near, virtually, well-nigh

1. The nigh horse.
   左邊的那匹馬
2. He was nigh upon20 miles.
   他離家差不多有20哩。
3. The time is drawn nigh.
   時(shí)間已近。

nigh

adv.（副詞）
nigh.er,nigh.est
Near in time, place, or relationship:
接近：在地點(diǎn)、時(shí)間或關(guān)系方面接近地：
例句：
Evening draws nigh.
夜晚就要到了

Nearly; almost:
接近；幾乎：
例句：
talked for nigh onto two hours.
談了近兩個(gè)小時(shí)

adj.（形容詞）
nigher,nighest
Being near in time, place, or relationship; close.See Synonyms at close
接近的：在地點(diǎn)、時(shí)間或關(guān)系方面接近的；接近的參見 close

Being on the left side of an animal or a vehicle:
左側(cè)的：在動(dòng)物或交通工具左側(cè)的：
例句：
pulling hard on the nigh rein.
使勁拉左邊的韁繩

Being the animal or vehicle on the left:
左邊的：作為左邊的動(dòng)物或交通工具的：
例句：
the nigh horse.
左邊的那匹馬

prep.（介詞）
Not far from; near.
近：不遠(yuǎn)的；靠近的
v.tr.intr.（及物動(dòng)詞和不及物動(dòng)詞）
nighed,nigh.ing,nighs
To come near to or draw near.
靠近：接近或拉近

來源：
Middle English neigh
中古英語 neigh
from Old English nôah, nôh * see nôhw-iz
源自 古英語 nôah, nôh *參見 nôhw-iz