Definition

1. Noun:

   • Lightheadedness / Dizziness: A feeling of being unsteady, dizzy, or faint, often described as a sensation of the head feeling light, floating, or spinning slightly. It is not a severe vertigo but a mild, uncomfortable woozy sensation.

2. Adjective (used predicatively):

   • To feel lightheaded / dizzy: Used to describe the state of experiencing this sensation. Often appears in the structure "bị váng đầu" or "cảm thấy váng đầu."

Usage Examples

• Noun/Adjective:
  • Tôi cảm thấy váng đầu sau khi đứng dậy quá nhanh. (I feel lightheaded after standing up too quickly.)
  • Cơn váng đầu khiến cô ấy phải ngồi xuống. (The spell of dizziness made her sit down.)
  • Anh ấy bị váng đầu và buồn nôn. (He is feeling dizzy and nauseous.)

Advanced Usage

• The term often describes a transient symptom related to fatigue, low blood pressure, hunger, or illness. It implies a less severe condition than "chóng mặt" (vertigo/spinning dizziness).

Variants and Related Words

• Chóng mặt (v/adj): To feel dizzy, vertigo; often implies a stronger spinning sensation.
• Hoa mắt (v/adj): To have blurred vision or feel dazzled, sometimes accompanied by lightheadedness.
• Choáng váng (v/adj): To feel stunned, dazed, or severely dizzy, often from shock or a blow.

Synonyms

• Lightheadedness: A feeling of faintness or unsteadiness.
• Dizziness: A broader term for feelings of unsteadiness, including lightheadedness.
• Woozy: Informal term for feeling dizzy and slightly nauseated.

Related Idioms and Common Phrases

• Váng đầu váng óc: An intensified phrase emphasizing a state of being thoroughly dizzy, confused, or overwhelmed.
  • Làm việc quá sức khiến tôi váng đầu váng óc. (Overworking makes me utterly dizzy and confused.)