say it: gohsh
gauche is an adjective meaning "lacking social polish". It carries one recorded sense.
lacking social polish
“too gauche to leave the room when the conversation became intimate”
“their excellent manners always made me feel gauche”
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 gauche 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.