someone INJURED again and again will become TOUGH
I NU(knew) that RED iron would *harden* when it cools down and after that it would be *accustomed* to further exposures.
To become INURED you must have ENDURED.
Someone getting INjURED frequently will get HARDENED and ACCUSTOMED to pain.
mens are born INURED..
Whn am In YOu (inured) its hard :P
for the definition: used to accepting something undesirable: "eating rotten food isn't bad - its all "in-ur-'ed". (Cockney English).
inured = "in" + "ur(your)" + "hard" u hav become hard/tough from inside by habitual exposure
in:inside ;ure: manure or urine; able to live inside manure,adapt to hardship
in + ur + bed >>> due to regular sex he is now has HARDENED the sill of Fucking...
if u become IMMUNE to sth u r INURED
you ENDURE getting INJURED