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watchful

[ woch-fuhl ]
/ ˈwɒtʃ fəl /
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See synonyms for: watchful / watchfully / watchfulness on Thesaurus.com

adjective
vigilant or alert; closely observant: The sentry remained watchful throughout the night.
Archaic. wakeful.
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Origin of watchful

First recorded in 1540–50; watch + -ful

synonym study for watchful

1. See alert.

OTHER WORDS FROM watchful

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use watchful in a sentence

British Dictionary definitions for watchful

watchful
/ (ˈwɒtʃfʊl) /

adjective
vigilant or alert
archaic not sleeping

Derived forms of watchful

watchfully, adverbwatchfulness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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