How many letters does the top answer for “lacking refinement or cultivation or taste” have?

The most common answer is uncouth (7 letters).

Crossword clue: lacking refinement or cultivation or taste

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

uncouth 7 letters wn-def

lacking refinement or cultivation or taste

the quality of lacking taste and refinement 60% similar → coarseness, grossness, raunch

lacking in refinement or grace or good taste 50% similar → inelegant

the quality of lacking refinement and good taste 50% similar → inelegance