alertness
alert·ness
noun
1.
the process of paying close and continuous attention
- “wakefulness, watchfulness, and bellicosity make a good hunter”
- “vigilance is especially susceptible to fatigue”
2.
3.
Origin
From alert + -ness.
Related words
Broader terms
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.