say it: dis-uh-POYNT
disappoint is a verb meaning "fail to meet the hopes or expectations of". It carries one recorded sense.
fail to meet the hopes or expectations of
“Her boyfriend let her down when he did not propose marriage”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for disappoint come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.