disappointed
(adjective)
disappointed + at + noun
He was disappointed at the result.
disappointed + by + noun
He was disappointed by the result.
disappointed + about + noun
He was disappointed about the result.
disappointed + in + noun/pronoun
He was disappointed in them.
disappointed + with + noun/pronoun
He was disappointed with himself.
disappointed + clause
He was disappointed he lost.
disappointed + that + clause
He was disappointed that he lost.
disappointed + to + base form + clause
He was disappointed to see she was not there.
disappointed + to + base form + that + clause
He was disappointed to see that she was not there.