How many letters does the top answer for “in a curious manner.” have?

The most common answer is curiously (9 letters).

Crossword clue: in a curious manner.

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

curiously 9 letters web-def

in a manner differing from the usual or expected

in an curious manner. 100% similar → incuriously

in a curious and prying manner 67% similar → pryingly

in a curious and questioning manner 67% similar → questioningly, wonderingly