westerly UK /ˈwɛs.tə(ɹ).li/US /ˈwɛs.tɚ.li/adjective 3adverb 1noun 1forms 3 adjective3 •Coming from the west; originating in the west. •Located towards or in the west. •Facing the west; directed towards the west.Tall, blue-eyed, this proud and stubborn Genoese seaman first visited Portugal, proposing his scheme for a westerly voyage in search of the Indies. — 2002 adverb1 •Towards the west. noun1 •A westerly wind or storm, one blowing or coming from the west. formswesterlies · more westerly · most westerly