Crossword clues for Toughening:TOUGHENStrengthen, with "up"TOUGHENEDMade strongerTOUGHENAdd some muscle toTOUGHENFortifyTOUGHENCallus, e.g.ENURINGServing to toughenLLBEANMail-order giant that toughened its famous returns policy in 2018GROWASPINEToughen up!STEELSToughens (oneself)ANNEALToughen, as glassANNEALToughen by heating, as glassTITANIUMElement used to toughen steelANNEALTreat with heat to toughenENSTEELSToughens upTITANIUMSteel toughenerBEAMANChauvinist's "Toughen up!"ENUREToughenANNEALSToughensINURESToughensENUREToughen by exposureINUREDToughenedANNEALToughen upANNEALEDToughened, as glassENUREToughen (to)STEELEDToughenedANNEALToughenSTEELEDToughened upINUREToughen, as to hardshipANNEALEDToughened, as metalsANNEALToughen, as steelMARYWith 23-Down, movie with a song about a great swami in delicate health who has toughened feet and chronic bad breath? (See 1-, 6-, 18-, 24-, 57-, and 65-Across)STEELSToughensENURESToughens.ANNEALTemper or toughen.INUREToughen; habituate.HARDENEDUPToughened and tempered.INURINGTougheningPLANISHToughen metal by hammeringANNEALToughen glassTEMPEREDToughened upANNEALToughen or temperSTEELToughenTONIBRAXTONAnother Sad Love Song” singer nyt 1995 TONIC Pick-me-up nyt 1995 TONING Toughening (up) nyt 1995 TONITENNILLE Half of a pop duo nyt 1995 TONO _____-Bungay" (Wells novel)ANNEALEDToughenedENUREToughen: Var.ANNEALSToughens, as metalBEAMANToughen up!SUEName given to toughen up a boy, in a songINUREDToughened upAMANMake -- out of (toughen up)