say it: uhn-HAP-ee
unhappy is an adjective meaning "experiencing or marked by or causing sadness or sorrow or discontent". It carries 4 recorded senses.
generalized feeling of distress
marked by or producing unhappiness
“infelicitous circumstances”
“unhappy caravans, straggling afoot through swamps and canebrakes”
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 unhappy 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.