How many letters does the top answer for “too highly; too greatly.” have?

The most common answer is overhighly (10 letters).

Crossword clue: too highly; too greatly.

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

overhighly 10 letters web-def

Too highly; too greatly.

to color too highly. 50% similar → overcolor

to reckon too highly. 50% similar → overreckon

to season too highly. 50% similar → overseason