say it: proh-SKRAHYBD
proscribed is an adjective meaning "excluded from use or mention". It carries one recorded sense.
excluded from use or mention
“forbidden fruit”
“in our house dancing and playing cards were out”
“a taboo subject”
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 proscribed 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.