alert

adjective/əˈlɜrt/

Frequency rank: #2,665 of 20,003 in the WORDED list (wordfreq data)

Meaning

fully awake and paying close attention to what is happening.

Illustration for the English word “alert”

Example sentence

The lifeguard stayed alert and watched the swimmers carefully.

Synonyms & related words

More words in ranks 2,601–2,700