Enter a clue or pattern or both:
The Clue
Train by oneself (9 letter answer)
The Answer
SHADOWBOX
Tags
Notes
The answer SHADOWBOX is so rare that it appears less than once every 2900 puzzles.
Related Clues
Spar
Spar with nobody
Train for the ring
Definition
SHADOWBOX as a verb:
1. go through boxing motions without an opponent