Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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verb
To remain vigilant at all times, especially by remaining partially awake or sleeping only lightly so as to avoid being caught off guard.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Some animals sleep with one eye open, so as to remain alert to threats.
Across languages
7 source translations are retained for this English entry.
