alert
adjective
fully aware and attentive; wide-awake; keen.
unalerted
-
a word derived from
alert.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“In early December there was a brief period of increased readiness. There were no instances of unalerted or unscheduled foreign aircraft operating in Australian airspace during this period.”
From The Guardian ● Dec. 29, 2017
