Thesaurus.com
Dictionary.com
Showing results for watchful. Search instead for watchfuln.
Definitions

watchful

[woch-fuhl] / ˈwɒtʃ fəl /
ADJECTIVE
on the lookout
Synonyms
STRONGEST
attentive careful cautious observant suspicious vigilant wary
STRONG
alert
WEAK
all ears chary circumspect glued guarded heedful hooked keen not missing a trick on guard on one's toes on the ball on the job on the qui vive on the watch open-eyed prepared ready see after see to unsleeping wakeful wide-awake with eyes peeled
Antonyms
STRONGEST
careless heedless inattentive incautious indiscreet rash thoughtless uncareful unobservant
WEAK
negligent

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.

Certain conversations are had away from Nguyen’s watchful camera, and we’re often only left with the aftermath as BTS tries to make do with the demands on their time and creativity.

From Salon • Mar. 27, 2026

The club was also the "regular weekend haunt" for Julie Luff and her friends when Barlow started performing there, his parents keeping a watchful eye on him.

From BBC • Mar. 3, 2026

Security guards kept a watchful eye on the duo through the glass as they leaned in for conversation and enjoyed their meal.

From MarketWatch • Feb. 23, 2026

James played for the Miami Heat for four years under the watchful eye of Riley.

From Los Angeles Times • Feb. 22, 2026

I sat in the chair closest to the door and kept a watchful eye on him for the rest of the period.

From "Made You Up" by Francesca Zappia