Definition of alertness in English:
The quality of being alert: Walsall were indebted to the bravery and alertness of their goalkeeper a lack of mental alertness
More example sentences
- Travelers to such destinations practice extra alertness, precaution and prudence.
- Anything related to Taiwan's survival should be heeded with special alertness.
- Fire has caused £30,000 damage to a woollen waste mill, and it could have been worse but for the alertness of a teenage girl.
vigilance, awareness, watchfulness, attentiveness, attention, circumspection, wariness, chariness, heedfulness, canniness, discretion, prudence
quick-wittedness, quick thinking, quickness of mind, sharpness, quickness, keenness, perceptiveness, responsiveness, agility, acuteness, acuity, shrewdness, astuteness, intelligence, insight, presence of mind