Idiom: On One's WatchCheck definitions of...ononeswatchMeaningsHow to pronounce "on one's watch":AU Your browser does not support the audio element. During the period of time when one is in a position of authority or responsibility.A-Z Proximitieson one's last legson one's lonesomeon one's ownon one's todon one's toes on one's watch on opposite sides of the barricadeson pins and needleson purposeon second thoughton sightSimilar Idiomson one's watchset one's watch backwatch one's languagewatch one's mouthwatch one's stepkeep a close watchkeep watchwatch itwatch outwatch overwatch this spaceSimilar Phrasesanalog watchcontinuous receiver watchday watchdigital watchgraveyard watchwatch capwatch keywatch pockethunting watchlistening watchmiddle watchnight watchpendulum watchpocket watchstand watchstop watchwatch braceletwatch casewatch chainwatch crystal