alertness   (TTS Sound)

The alertness has 3 Senses.

• alertness, watchfulness, vigilance, wakefulness
• 警戒
• the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue"
• 連続的に細かい注意を払うこと

• alertness, alerting
• a state of readiness to respond; "alerting was indicated by the desynchronization of the EEG"
• いつでも反応できる状態

• alertness, sharp-sightedness, on the qui vive
• 電光石火
• lively attentiveness
• 積極的に注意を払うこと