Tough to crack
The crossword clue "Tough to crack" is answered by HARD, a 4-letter entry. Used 10 times across 9 distinct years; most recently in 2026; first recorded in 2007. It appears in 5 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
HARD
4 letters. See every clue for this answer on the HARD answer page.
Used 10 times across 9 distinct years; most recently in 2026; first recorded in 2007. It appears in 5 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
Other clues for HARD
Every other clue in this collection answered by HARD, most used first.
- Difficult - used 129 times, most recently in 2026
- Challenging - used 32 times, most recently in 2026
- Tough - used 19 times, most recently in 2026
- Unyielding - used 14 times, most recently in 2015
- Arduous - used 10 times, most recently in 2026
- Brain-busting - used 10 times, most recently in 2026
- Knotty - used 10 times, most recently in 2025
- Like a rock - used 10 times, most recently in 2025
- No picnic - used 9 times, most recently in 2008
- High on the Mohs scale - used 8 times, most recently in 2017
- No walk in the park - used 8 times, most recently in 2026
- Obdurate - used 8 times, most recently in 2010
- Like some cider - used 7 times, most recently in 2026
- Nearly unsolvable - used 7 times, most recently in 2015
- Stony - used 7 times, most recently in 2015
- Granitelike - used 6 times, most recently in 2025
- Tough to solve - used 6 times, most recently in 2026
- Tricky - used 6 times, most recently in 2024
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- ___ the crack of dawn - UPAT, used 95 times
- Open a crack - AJAR, used 58 times
- Tough spot - BIND, used 36 times
- Tough-guy actor Ray - ALDO, used 34 times
- Tough trip - TREK, used 32 times
- Take a crack __ (try) - ATIT, used 24 times
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