Enter a clue or pattern or both:
The Clue
Laborious effort (8 letter answer)
The Answer
EXERTION
Tags
Notes
The answer EXERTION is so rare that it appears less than once every 2500 puzzles.
Related Clues
Sweat
Vigorous effort
Definition
EXERTION as a noun:
1. (effort, elbow grease, exertion, travail, sweat) = use of physical or mental energy; hard work; "he got an A for effort"; "they managed only with great exertion"