demoralises
de-mor-al-is-es
verb
To cause someone to lose confidence or hope, making them feel disheartened.
"The defeat demoralises the players."
Thesaurus
Synonyms: debase, pervert, demoralise, subvert, misdirect, profane, demoralize, corrupt, debauch, vitiate, deprave, get down
Antonyms: elate, intoxicate, lift up, pick up, uplift