breakup /ˈbɹeɪk.ʌp/ noun4 •The act of breaking up; disintegration or division. •The termination of a friendship or a romantic relationship."Eventually, I just pieced it together, figuring your butting heads could probably be explained by a break up. Years of anime shipping trained me for this." — 2018 •A loss of emotional control; a breakdown. •(Canada) The season during which winter ice covering bodies of water disintegrates; more generally, spring. formsbreakups