прилагательное бдительный; бодрствующий, неусыпный, бессонный Синоним(ы): watchful, incessant
adjective Etymology: Middle English (Scots), from Latin vigilant-, vigilans, from present participle of vigilare to keep watch, stay awake, from vigil awake alertly watchful especially to avoid danger Synonyms: see watchful • vigilantly adverb