Alertness

Definition:

• (n.) The quality of being alert or on the alert; briskness; nimbleness; activity.

Compare alertness with other words:

alertness vs. apertness

alertness vs. strain

alertness vs. consciousness

alertness vs. psychostimulant

alertness vs. observant

alertly vs. alertness

alertness vs. awareness

alertness vs. vigilance

alert vs. alertness

alertness vs. attention