How many letters does the top answer for “without regard for morality” have?

The most common answer is amorally (8 letters).

Crossword clue: without regard for morality

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

amorally 8 letters wn-def

without regard for morality

immorally 9 letters wn-def

without regard for morality

without regard for rhythm 50% similar → arrhythmic, arrhythmical