hangtail adjective 1adverb 1forms 2 adjective1 •Disheartened; low-spirited.Most bridegrooms look ashamed and hangtail. — 1952 adverb1 •With the tail hanging limply.The dog trotted hangtail away, and the prairie dog turned his head to check on a flush. — 1964 formsmore hangtail · most hangtail