CEFR B2

alertness

noun

Meaning

The state of being wide awake, attentive, and quick to perceive or react.

Examples

The pilot maintained a high level of alertness throughout the long flight.
Coffee can temporarily boost your alertness, but it's no substitute for sleep.

Synonyms: attention, vigilance, awareness, attentiveness, readiness

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alertness (B2)

noun

Pronunciation: /əˈlɜːrtnəs/

Definition

The state of being wide awake, attentive, and quick to perceive or react.

Examples

The pilot maintained a high level of alertness throughout the long flight.
Coffee can temporarily boost your alertness, but it's no substitute for sleep.
Her quick alertness to the subtle change in the patient's condition saved a life.

Synonyms of alertness

Words with a similar meaning to alertness:

Antonyms of alertness

Words with the opposite meaning to alertness:

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