(Dis-ey-mawr-iz-uhm) Derived from Greek and Latin root words, of 'Dis' (opposite, not), 'amor' (love), and 'ism' (belief). It is simply a belief in that Love does not exist. Usually adopted by teens who have been through much hardship with ex's.
Julie asks "Why doesn't she ever tell her boyfriend she loves him?"
Katie responds, "Her ex boyfriend hurt her really bad. She doesn't believe in love. She believes in disamorism.