Alert and Wakefulness

Alert noun - The act or an instance of telling beforehand of danger or risk.

Wakefulness and alert are semantically related in vigilance topic. In some cases you can use "Wakefulness" instead a noun "Alert".

Nearby Words: alertness, alerted, alerting, alerter

Wakefulness noun - The inability to obtain adequate sleep.

Alert and wakefulness are semantically related in vigilance topic. Sometimes you can use "Alert" instead a noun "Wakefulness".