say it: SUHP-ur
supper is a noun meaning "a light evening meal; served in early evening if dinner is at midday or served late in the evening at bedtime". It carries 2 recorded senses.
a social gathering where a light evening meal is served
“her suppers often included celebrities”
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 supper 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.