alertness   (TTS Sound)

The noun alertness has 3 senses

• watchfulness, wakefulness, vigilance, alertness -- (the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue")


• alertness, alerting -- (a state of readiness to respond; "alerting was indicated by the desynchronization of the EEG")


• alertness, sharp-sightedness, on the qui vive -- (lively attentiveness)