old woman old·wo·man common noun 1. a woman who is old Synonymsold woman 2. herb with grayish leaves found along the east coast of North America; used as an ornamental plant Synonymsdusty millerbeach wormwoodold womanArtemisia stelleriana Related words Word family old-womanish Broader terms oldsterwomanwormwood Narrower terms beldamgrannyhagmother Parts genus Artemisia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.