Entry 2 senses · 2 variants Webster, 1913 Westerly · West·er·ly · IPA /ˈwɛs.tɚ.li/ a. adv. 01 a. Of or pertaining to the west; toward the west; coming from the west; western. 1. Of or pertaining to the west; toward the west; coming from the west; western. 02 adv. Toward the west; westward. 1. Toward the west; westward.