'tough proposition' definitions:
Synonyms of 'tough proposition'
From: Moby Thesaurus
- Augean task,
- backbreaker,
- baffling problem,
- ballbuster,
- bitch,
- brain twister,
- Chinese puzzle,
- chore,
- crossword puzzle,
- crux,
- dead lift,
- enigma,
- enigmatic question,
- floorer,
- handful,
- hard job,
- hard pull,
- heavy sledding,
- Herculean task,
- jigsaw puzzle,
- knot,
- knotty point,
- large order,
- man-sized job,
- mind-boggler,
- mystery,
- nut to crack,
- perplexed question,
- perplexity,
- poser,
- problem,
- puzzle,
- puzzlement,
- puzzler,
- question,
- question mark,
- rough go,
- sixty-four dollar question,
- sticker,
- stumper,
- tall order,
- tough job,
- uphill work,
- vexed question,
- why