Thwarted in hope, desire, or expectation.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "disappointed" in a sentence
"The title disappointed, selling less than 40,000 copies."
"But as Richmond whispered "Jackson's coming" and waited expectantly for his lightning attack to flash, there was something ominous in Ewell's choice of the word "disappointed.""
"In 1992, Carl was again disappointed when his application for membership at the prestigious National Academy of Sciences was denied."