1. Disappointment, Letdown : مایوسی : (Noun) A feeling of dissatisfaction that results when your expectations are not realized.

His hopes were so high he was doomed to disappointment.

Dissatisfaction - the feeling of being displeased and discontent.

Dissatisfaction - بے اطمینانی - the feeling of being displeased and discontent; "he was never slow to express his dissatisfaction with the service he received".

Expectation, Outlook, Prospect - توقع - belief about (or mental picture of) the future.

Feeling - احساس - the experiencing of affective and emotional states; "It`s a matter of feeling".

Non, Not - نہیں - negation of a word or group of words; "Will not go like that".

Accomplished, Completed, Realised, Realized - تکمیل شدہ - successfully completed or brought to an end; "his mission accomplished he took a vacation".

Answer, Resolution, Result, Solution, Solvent - حل - a statement that solves a problem or explains how to solve the problem; "they were trying to find a peaceful solution".