Solutions Hard to solve has 21 entries with similar clues
- 4-letter words
- clueA piece of evidence to solve a problem
- 5-letter words
- crackSolve
- etherSolvent
- waterUniversal solvent
- 6-letter words
- sortedProblem solved
- creditBelief in solvency?
- 7-letter words
- acetonecommon solvent
- resolveSolve a mystery
- 8-letter words
- decipherSolve a mystery
- alkahestUniversal solvent
- clear-upSolve a mystery
- 9-letter words
- dry-cleanClean a garment with an organic solvent
- insolubleImpossible to solve, resolve, or dissolve
- 10-letter words
- hard-waterMost commonly used solvent but not of the softer variety
- aqua-regiaThe solvent for gold
- 12-letter words
- lostforwordsunable to say why you can't solve a crossword?
- 14-letter words
- vicious-circleSituation where all attempts to solve a problem make it worse
- fermat-theoremThe 'last theorem' that has recently been solved
- 15-letter words
- deus-ex-machinaContrived agent who unexpectedly solves the insoluble
- 20-letter words
- cut-the-gordian-knotSolve a difficult problem in a direct way
- an-easy-nut-to-crackNot very difficult problem to solve