Enter a clue or pattern or both:
The Clue
Make difficult (10 letter answer)
The Answer
COMPLICATE
Tags
Notes
The answer COMPLICATE is so rare that it appears less than once every 2500 puzzles.
Definition
COMPLICATE as a verb:
1. (complicate, perplex) = make more complicated; "There was a new development that complicated the matter"
2. (complicate, refine, rarify, elaborate) = make more complex, intricate, or richer; "refine a design or pattern"