watchful

adjective

watch·​ful ˈwäch-fəl How to pronounce watchful (audio)
ˈwȯch-
Synonyms of watchfulnext
1
archaic
a
: not able or accustomed to sleep or rest : wakeful
b
: causing sleeplessness
c
: spent in wakefulness : sleepless
2
: carefully observant or attentive : being on the watch
watchfully adverb
watchfulness noun
Choose the Right Synonym for watchful

watchful, vigilant, wide-awake, alert mean being on the lookout especially for danger or opportunity.

watchful is the least explicit term.

the watchful eye of the department supervisor

vigilant suggests intense, unremitting, wary watchfulness.

eternally vigilant in the safeguarding of democracy

wide-awake applies to watchfulness for opportunities and developments more often than dangers.

wide-awake companies latched onto the new technology

alert stresses readiness or promptness in meeting danger or in seizing opportunity.

alert traders anticipated the stock market's slide

Examples of watchful in a Sentence

We need to be more watchful of our children. The hotel is being built under the watchful eye of its architect.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The baby inside the king cake is typically hidden from view to symbolize hiding the newborn Jesus from King Herod's watchful eye. Mary Catherine McAnnally Scott, Southern Living, 14 Feb. 2026 But beyond being a helpful hand and watchful eye, DiTore has been a real source of comfort for many in Demarest, like Erin Kitzie. Steve Hartman, CBS News, 14 Feb. 2026 During the week leading up to the game, there were plenty of practices under the watchful eyes of the pro coaching staff and scouts. Cody Thorn, Fort Worth Star-Telegram, 13 Feb. 2026 The restaurant has only grown in popularity and prestige in the years since, now under the watchful eye of executive chef Matthew Basford and executive sous chef Michael Connell. Irene Wright, USA Today, 10 Feb. 2026 See All Example Sentences for watchful

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of watchful was in the 15th century

Browse Nearby Words

Cite this Entry

“Watchful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watchful. Accessed 16 Feb. 2026.

Kids Definition

watchful

adjective
watch·​ful ˈwäch-fəl How to pronounce watchful (audio)
ˈwȯch-
: continually on the lookout especially for danger
watchfully adverb
watchfulness noun

More from Merriam-Webster on watchful

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