Toughen or harden Crossword Clue

Here is the answer for the crossword clue Toughen or harden . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is INURE.

Love the NYT Mini? Try our Mini.

Fresh puzzles every day, no paywall.

See results below advertisement

Crossword Answer For Toughen or harden:

You can click on thetiles to reveal letter by letter before uncovering the full solution.

advertisement

40 Potential Answers:

RankAnswerLengthSourceDate
98% INURE Toughen or harden (5)
98% ENURE Toughen or harden (5)
3% CALLUS Hardened pad of skin (6) (6) The Guardian Quick Nov 11, 2025
3% SET Harden (3) Thomas Joseph Nov 10, 2025
3% SETS Hardens (4) Eugene Sheffer Oct 20, 2025
3% ANNEALS Toughens, as steel (7) Commuter Oct 9, 2025
3% HARDEN Toughen up (6) (6) Puzzler Aug 2, 2025
2% MILLERS & 3D 1990 crime film starring Gabriel Byrne and Marcia Gay Harden (7,8) (7) Mirror Quiz Nov 8, 2025
2% BORON Chemical element used in hardening steel and glassmaking; symbol B (5) (5) Mirror Quiz Oct 19, 2025
2% TIBIA Bone starts to toughen in babies if active (5) (5) Puzzler Cryptic Aug 29, 2025
Toughen or harden Crossword Clue
Stay up-to-date with our updates!
Explore your favorite daily puzzles and get quick tips, find missing answers to complete your crossword.
CW alt logo

Fresh Clues From Recent Puzzles

Your Crossword Clues FAQ Guide

We found 40 solutions for Toughen or harden. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is INURE.

With crossword-solver.io you will find 40 solutions. We use historic puzzles to find the best matches for your question. We add many new clues on a daily basis.

With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for Toughen or harden.