Longman Dictionary of Contemporary English homepage

watchful

adjective
     
watch‧ful
1 very careful to notice what is happening, and to make sure that everything is all right:
The entrances are guarded by watchful security staff.
His eyes were watchful.
Keep a watchful eye on elderly residents.
2

under somebody's watchful eye

following someone's instructions or with someone's help:
Learn the basics under the watchful eye of a qualified instructor.
watchfully adverb
watchfulness noun [uncountable]

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary