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

WATCHFUL definition: vigilant or alert; closely observant. See examples of watchful used in a sentence.

WATCHFUL definition: 1. paying careful attention and ready to deal with problems: 2. paying careful attention and ready…. Learn more.

Define watchful. watchful synonyms, watchful pronunciation, watchful translation, English dictionary definition of watchful. adj. 1. Closely observant or alert; vigilant: kept a watchful eye …

Someone who is watchful notices everything that is happening. The best thing is to be watchful and see the doctor for any change in your health. He looked tall and powerful and, with his …

Definition of watchful adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 14, 2025 · watchful (comparative more watchful, superlative most watchful) Fully observant, vigilant, or aware. synonym quotations Synonym: jealous The teacher kept a watchful eye on …

watch•ful /ˈwɑtʃfəl/ adj. vigilant or alert; observant. watch•ful•ly, adv. watch•ful•ness, n. [uncountable] WordReference Random House Unabridged Dictionary of American English © …

WATCHFUL meaning: always watching the actions of someone or something paying careful attention to someone or something

His eyes were watchful. Keep a watchful eye on elderly residents. 2 → under somebody’s watchful eye —watchfully adverb —watchfulness noun [uncountable] Examples from the …