1) Bummed 2) Dejected 3) Discomfited 4) Disenchanted 5) Disillusioned 6) Displeased 7) Foiled 8) Frustrated 9) Sad 10) Thwarted 11) Unsatisfied 12) Unsuccessful 1) Defeated 2) Disappointingly unsuccessful 3) Discomfited 4) Foiled 5) Frustrated 6) Ill-equipped 7) Inadequately appointed 8) Thwarted 9) Unsuccessful 
• (a.) Defeated of expectation or hope; balked; as, a disappointed person or hope. • (a.) Unprepared; unequipped.
Dis`ap·point'ed adjective 1. Defeated of expectation or hope; balked; as, a disappointed person or hope. 2. Unprepared; unequipped. [ Obsolete] « Cut off even in the blossoms of my sin, Unhouseled, disappointed , unaneled.» Shak. 
depressed or discouraged by the failure of one's hopes or expectations: a disappointed suitor. · inadequately appointed; ill-equipped.