dis·ap·point 
(d
ĭs
′ə-point
)
v. dis·ap·point·ed, dis·ap·point·ing, dis·ap·points
v.tr.1. To fail to satisfy the hope, desire, or expectation of.
2. To frustrate or thwart: "I will not disappoint the confidence you have put in me" (Wayne A. Budd).
v.intr. To cause disappointment.
[Middle English disappointen, from Old French desapointier, to remove from office : des-, dis- + apointer, apointier, to appoint; see APPOINT.]