動詞 dizzy:

1. make dizzy or giddy

形容詞 dizzy:

1. having or causing a whirling sensation; liable to falling
   同義詞：giddy, woozy, vertiginous
2. lacking seriousness; given to frivolity
   同義詞：airheaded, empty-headed, featherbrained, giddy, light-headed, lightheaded, silly

1. Jean: I'm not sure, Billy. I feel dizzy and nauseated.
   琴：我不確定，比利，我感覺昏眩作嘔。
2. We were dizzy by the strong wind.
   我們被大風刮得頭暈目眩。
3. The room was so hot that she felt dizzy.
   房間里熱得她頭暈目眩。

diz.zy

adj.（形容詞）
diz.zi.er,diz.zi.est
Having a whirling sensation and a tendency to fall.See Synonyms at giddy
眩暈的，眼花的：感到眩暈并要摔倒的參見 giddy
Bewildered or confused.
困惑的，搞糊涂的

Producing or tending to produce giddiness:
使暈眩的：使人或要使人頭暈目眩的：
例句：
a dizzy height.
令人暈眩的高度

Caused by giddiness; reeling.
旋轉的：由眩暈引起的；旋轉的
Characterized by impulsive haste; very rapid:
極快的；迅速的：
例句：
.The American language had begun its dizzy onward march before the Revolution.(H.L. Mencken)
.獨立戰(zhàn)爭以前美語就已開始了快速發(fā)展.(H.L.門琴)

Slang Scatterbrained or silly.
【俚語】 沒有頭腦的，傻的
v.tr.（及物動詞）
diz.zied,diz.zy.ing,diz.zies
To make dizzy.
使眩暈
To confuse or bewilder.
使迷惑，使思想混亂

來源：
Middle English dusie, disi
中古英語 dusie, disi
from Old English dysig [foolish]
源自 古英語 dysig [傻的]

【引伸】
diz.zily
adv.（副詞）
diz.ziness
n.（名詞）
diz.zyingly
adv.（副詞）