How many letters does the top answer for “in a proud and domineering manner” have?

The most common answer is cavalierly (10 letters).

Crossword clue: in a proud and domineering manner

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

cavalierly 10 letters wn-def

in a proud and domineering manner

in a domineering manner 67% similar → domineeringly

in a topping or proud manner. 50% similar → toppingly

with pride; in a proud manner 50% similar → proudly