alertness
The quality of being alert or on the alertThe quality of being alert or on the alert.
US/əˈlɝt.nəs/
» His thin, hawk-like nose gave his whole expression an air of alertness and decision.
Meaning
1 senses(uncountable, usually)The quality of being alert or on the alert.
More definitions
- lively attentiveness
- a state of readiness to respond
- the process of paying close and continuous attention
Examples
2 sentencesHis thin, hawk-like nose gave his whole expression an air of alertness and decision.
The researchers found that sugar increases tiredness and decreases alertness within an hour after consumption.
Translations
3 languagesForms
plural: alertnesses| Singular | alertness |
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uncountable
Synonyms
6 synonymsClose in meaning
- lively attentiveness:sharp-sightednesson the qui vive
- a state of readiness to respond:alerting
- the process of paying close and continuous attention:watchfulnesswakefulnessvigilance
Word family
1 related wordsRelatedalert
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable