giddy

adjective
1
feeling that everything is moving and that you are going to fall
سرگیجه داشتن, سرگیجه‌دار, گیج
synonym dizzy
2
so happy and excited that you cannot behave normally
سرخوش, شادمان, سرمست, خوشحال و بی‌قرار, مستِ خوشی
She was giddy with happiness.
She was giddy with anticipation about spending two months with her father.
3
making you feel as if you are about to fall
سرگیجه‌آور, گیج‌کننده
The kids were pushing the roundabout at a giddy speed.
(figurative)the giddy heights of success
4
not serious
سبک‌سر
Isabel’s giddy young sister
synonym silly