Hangup in English dictionary hangup Meanings and definitions of "Hangup" Alternative spelling of hang up. noun Alternative spelling of [i]hang-up[/i] more Grammar and declension of Hangup hangup ( plural hangups) hangup (plural hangups) more Hangup Sample sentences with "Hangup" Declension Stem Try again Available translations Chinese Czech Estonian French German Greek Indonesian Japanese Khmer Portuguese Sardinian Spanish Turkish Authors