Synonyms:
enured, inured, hardened
Meaning: made tough by habitual exposure; "hardened fishermen"; "a peasant, dark, lean-faced, wind-inured"- Robert Lynd; "our successors...may be graver, more inured and equable men"- V.S.Pritchett
Usage examples
"No; we shall descend at a slow rate, and our lungs will become inured to a denser atmosphere.
Tarzan's conscience was troubling him, which accounted for the fact that he compared himself to a weak, old woman, for the ape-man, reared in savagery and inured to hardships and cruelty, disliked to admit any of the gentler traits that in reality were his birthright.
I had no more doubt in my own mind and heart that he was he than I have in my mind that I--am I. We do in some mysterious way, you'll own at once, grow so accustomed, so inured, if you like, to each other's faces (masks though they be) that we hardly realise we see them when we are speaking together.