The meaning of ALERTNESS is the quality or state of being alert.

Alertness is a state of active attention characterized by high sensory awareness. Someone who is alert is vigilant and promptly meets danger or emergency, or is quick to perceive and act.

ALERTNESS definition: 1. the state of being ready to see, understand, and act in a particular situation: 2. the state of…. Learn more.

Define alertness. alertness synonyms, alertness pronunciation, alertness translation, English dictionary definition of alertness. adj. 1. Vigilantly attentive; watchful: alert to danger; an alert bank guard.

Definition of alertness noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The quality of being alert or on the alert; briskness; nimbleness; activity. A constant intellectual alertness is required. Preparation, both military and moral, alertness and patience were his constant theme. …

alertness, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Alertness is the state of being vigilant, observant, fully aware, and ready to respond swiftly to changes in one's environment or situations. This cognitive condition often involves heightened sensory …

Alertness is the state of being watchful, attentive, and quick to respond. It involves mental sharpness and readiness to notice and react to changes or potential dangers.

Alert describes a ready and prompt attentiveness together with a quick intelligence: The tourist was alert and eager to see the sights. Vigilant suggests some immediate necessity for keen, active …