ADJ-GRADED [usually verb-link ADJ](因生病、醉酒等而)头晕目眩的 If you feel light-headed, you feel rather unsteady and strange, for example because you are ill or because you have drunk too much alcohol. (因生病、醉酒等而)头晕目眩的
If you skip breakfast, your blood sugar level will drop and you will probably feel light-headed.