形容詞 vertiginous:

1. having or causing a whirling sensation; liable to falling
   同義詞：dizzy, giddy, woozy

ver.tig.i.nous

adj.（形容詞）
Turning about an axis; revolving or whirling.
旋轉(zhuǎn)的：繞著軸轉(zhuǎn)的；回旋的或者旋轉(zhuǎn)的
Affected by vertigo; dizzy.See Synonyms at giddy
目眩的；眩暈的：受眩暈影響的；暈眩的參見 giddy
Tending to produce vertigo:
容易產(chǎn)生眩暈的：
例句：
.my small mind contained in earthly human limits, not lost in vertiginous space and elements unknown.(Diana Cooper)
.我的狹隘思想局限在人類世俗之中，不會(huì)在令人眩暈的空間和未知成份中迷失方向.(戴安娜·庫(kù)珀)

Inclined to change quickly; unstable.
易變化的；不穩(wěn)定的

來源：
From Latin vertogô vertogin- [a whirling]
源自 拉丁語(yǔ) vertogô vertogin- [一只旋轉(zhuǎn)木馬]
from vertere [to turn] * see version
源自 vertere [轉(zhuǎn)] *參見 version

【引伸】
vertig.inously
adv.（副詞）
vertig.inousness
n.（名詞）