Crossword solverSynonyms for toughened13 crossword answers for “toughened” (9), sorted by letter count.How many letters?All1352647282921115 letters 2bakedburnt6 letters 4ruggedburnedenuredinured7 letters 2callouscurable8 letters 2hardenedannealed9 letters 2experientcalloused11 letters 1experienced