ACCUSTOM TO HARDSHIP is a phrase that describes the process of becoming accustomed to difficult or challenging situations. The crossword solutions INURE, ENURE, and EASE all relate to this phrase in different ways. INURE means to become hardened to something through experience, ENURE means to become accustomed to something through habit, and EASE means to make something less difficult. Together, these words can be used to describe the process of becoming accustomed to hardship.