drowsiness

/ˈdraʊzinəs/ (bre, ipa) · [drˈaʊzinəs] /ˈdraʊzinəs/ (ame, ipa) · [drˈaʊzinəs] /-zēnə̇s -zin-/ (ame, mw)

drowsiness — noun

1. the feeling of being so tired that you find it hard to stay awake or keep your e

1.名詞B2
釋義

the feeling of being so tired that you find it hard to stay awake or keep your eyes open, even when you want to

例句

The antihistamine causes drowsiness, so Yael takes it only before bedtime.

collocation: causes drowsiness

After staying up all night, Salma could not fight off drowsiness during her morning class.

collocation: fight off drowsiness

同義詞
  • sleepiness

    more general and everyday term; less clinical than drowsiness

  • tiredness

    broader in meaning; can refer to physical or mental exhaustion, not just the urge to sleep

  • lethargy

    implies a lack of energy and motivation to move, often due to illness; C1 level

  • somnolence

    formal medical term for extreme drowsiness; C2 level, rarely used outside medical writing

反義詞
  • alertness

    the state of being fully awake and able to think clearly

  • wakefulness

    the state of being awake, especially during hours when one would normally sleep

用法筆記

Frequently encountered in medical or pharmacological contexts, where drowsiness is listed as a side effect of medication. In everyday conversation, the adjective 'drowsy' or 'sleepy' is more common than the noun form.

常見錯誤

❌I am feeling drowsiness today.
✅I am feeling drowsy today.
💡After verbs like 'feel', use the adjective 'drowsy' rather than the noun 'drowsiness'.
❌The drowsiness made me to fall asleep.
✅The drowsiness made me fall asleep.
💡Do not add 'to' after 'make'; use the bare infinitive.