Definition

1. Verb:
   • To urinate; to have a pee; to make water: The act of expelling urine from the body through the urethra. This is the direct, neutral medical/biological term.
   • (Childish/informal) To pee; to wee; to go potty: A common, often childish or informal way to refer to urination.

Usage Examples

• Verb:
  • Em bé cần đi đái. (The baby needs to pee.)
  • Tôi phải vào nhà vệ sinh để đái. (I need to go to the bathroom to urinate.)
  • Con chó đái lên gốc cây. (The dog peed on the tree root.)

Advanced Usage / Nuances

• Register: The word "đái" is a basic, direct term. It is considered informal and can be crude or impolite in many social contexts, especially among adults. For polite conversation, euphemisms like "đi vệ sinh" (to go to the bathroom) or "giải quyết nỗi buồn" are preferred.
• "đái dầm": to wet the bed (nocturnal enuresis).
  • Đứa trẻ hay bị đái dầm ban đêm. (The child often wets the bed at night.)
• "đái bậy": to urinate in an inappropriate place.
  • Không được đái bậy ra đường. (Don't pee on the street.)

Variants and Related Words

• Nước đái (noun): Urine.
  • Bác sĩ yêu cầu xét nghiệm nước đái. (The doctor requested a urine test.)
• Đái tháo đường (noun, compound medical term): Diabetes mellitus (literally "sweet urine disease").
  • Ông ấy bị bệnh đái tháo đường. (He has diabetes.)
• Bóng đái / Bọng đái (noun): Bladder.
  • Cô ấy bị viêm bàng quang (bóng đái). (She has a bladder infection.)

Synonyms

• Đi tiểu (verb): To urinate (more formal/polite than "đái").
• Đi giải (verb): To urinate (polite, common euphemism).
• Đi vệ sinh (verb phrase): To go to the bathroom/toilet (general, polite euphemism).
• Tiểu tiện (verb): To urinate (formal, clinical term).

Related Idioms / Expressions

• "Sợ đái ra quần": To be scared shitless (literally: to be so scared one pees their pants).
  • Tôi sợ đái ra quần khi xem phim kinh dị. (I was scared shitless watching the horror movie.)
• "Nói như đái ra": To speak nonsense/to talk rubbish (vulgar, literally: to speak as if peeing it out).
  • Đừng nghe hắn, hắn nói như đái ra thôi. (Don't listen to him, he's just talking rubbish.)

verb

1. to urinate; to have a pee; to make water