alertness

«alertness» in Mova's school dictionary: being awake, watchful and ready to notice and react quickly — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (alertness — uncountable)

meaning for a pupil

Alertness is being awake, watchful and ready to notice and react quickly. tree →

sense in the lessons

In safety and health it matters for crossing roads, driving and learning; sleep and breakfast help alertness. In science it is linked to the brain and caffeine. Phrases: mental alertness, stay alert, increase alertness.

examples

• Sleep helps your alertness in class. tree →
• The guard's alertness stopped the thief. tree →
• Drivers need full alertness. tree →
• Too much screen time at night lowers alertness the next day. tree →
• Dogs show alertness when they prick up their ears. tree →
• Coffee can increase alertness in adults. tree →

note

Uncountable. From alert + -ness. Related: alert (adjective, noun, verb). Children should not use energy drinks to boost alertness.

Trees and pragmatics

Every meaning and example of «alertness» parsed by Mova, each sentence with its dependency tree and frames.