from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Used other than as an idiom: see tough, nut, crack.
- n. A problem that is challenging to solve.
- n. A situation, person, group, etc. which is difficult to deal with.
- n. A place, opportunity, etc. to which it is difficult to gain entry.
- n. An amount that is difficult to finance.
Sorry, no etymologies found.
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