What are the best answers for “excluded from use or mention”?

forbidden, proscribed, taboo, tabu, verboten.

How many letters does the top answer for “excluded from use or mention” have?

The most common answer is forbidden (9 letters).

5 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

forbidden 9 letters wn-def

excluded from use or mention

proscribed 10 letters wn-def

excluded from use or mention

taboo 5 letters wn-def

an inhibition or ban resulting from social custom or emotional aversion

tabu 4 letters wn-def

an inhibition or ban resulting from social custom or emotional aversion

verboten 8 letters wn-def

excluded from use or mention