Disappointed, Like a Deflated Balloon?
This page is the CodyCross answer for the clue below from California, Group 1149, Puzzle 1 (Tacos and Burritos).
Question is: Disappointed, Like a Deflated Balloon?
and the answer is: LETDOWN
Word Meaning:
LET DOWN — (transitive) To allow to descend.
Definitions from Wiktionary.