Enter a clue or pattern or both:
The Clue
To a great degree (6 letter answer)
The Answer
HIGHLY
Tags
Notes
The answer HIGHLY is so rare that it appears less than once every 2500 puzzles.
Definition
HIGHLY as an adverb:
1. (highly, extremely) = to a high degree or extent; favorably or with much respect; "highly successful"; "He spoke highly of her"; "does not think highly of his writing"; "extremely interesting"
2. at a high rate or wage; "highly paid workers"
3. in a high position or level or rank; "details known by only a few highly placed persons"