Alertness
131sit up — intransitive verb Date: 13th century 1. a. to rise from a lying to a sitting position b. to sit with the back erect 2. to show interest, alertness, or surprise < sit up and take notice > 3. to stay up after the usual time for going to bed < sat… …
132weather eye — noun Date: 1829 1. an eye quick to observe coming changes in the weather 2. constant and shrewd watchfulness and alertness …
