fast asleep

Thân thiện

The baby is fast asleep in the crib.

Definition

1. Adjective:
   • Sleeping deeply: The phrase "fast asleep" describes a state of very deep sleep from which it is difficult to be awakened. It emphasizes the soundness and completeness of sleep.

Usage

• "Fast asleep" is used as a predicative adjective, typically following a linking verb like "be," "fall," or "lie."
• It describes a person (or sometimes an animal) who is completely and peacefully sleeping.

Examples

Advanced Usage

• "to be fast asleep": to be in a state of deep sleep.
  • Don't make noise; the children are fast asleep.
• "to fall fast asleep": to enter a state of deep sleep quickly.
  • Exhausted, she fell fast asleep as soon as her head hit the pillow.

Variants and Related Words

• Sound asleep (adj): A direct synonym meaning sleeping deeply.
  • He was sound asleep and didn't hear the phone ring.
• Asleep (adj): The base adjective meaning sleeping. "Fast" intensifies this state.
  • The cat is asleep on the chair. (This does not necessarily imply deep sleep.)

Synonyms

• In a deep sleep: Sleeping profoundly.
• Out like a light (idiomatic): To fall asleep very quickly and deeply.

Antonyms

• Wide awake: Completely awake and alert.
• Restless: Unable to sleep or relax.

Related Idioms

• Dead to the world: An idiom meaning to be so deeply asleep that you are completely unaware of your surroundings.
  • After the night shift, he was dead to the world and didn't hear the storm.

Học thuật

Adjective

1. sleeping deeply; he's sound asleep"
   • lying fast asleep on the sofa
   • it would be cruel to wake him

Từ đồng nghĩa

• fast asleep
• sound asleep