How many letters does the top answer for “conspicuously and outrageously bad or reprehensible” have?

The most common answer is egregious (9 letters).

Crossword clue: conspicuously and outrageously bad or reprehensible

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

egregious 9 letters wn-def

conspicuously and outrageously bad or reprehensible

flagrant 8 letters wn-def

conspicuously and outrageously bad or reprehensible