0 someone who does something very often and cannot stop doing it:
1 done as a habit and not likely to change:
an inveterate liar
I must confess to being an inveterate square hopper.
It will appeal to those other people who are inveterate gamblers.
The need for the power has been proved and established, especially in the cases of the inveterate and deliberate offenders among barrow hawkers.
He added that both he and his fellow sponsors had no great interest in trying to dissuade inveterate smokers of adult years.
You have to start analysing invoices—and farmers are inveterate buyers for cash and very likely have not got detailed invoices.
We set the local authorities free to deal with that old inveterate evil of the slums.
That metric is neither information nor negentropy, for these inveterate yet qualitative terms cannot be quantified, nor even defined, to everyone's satisfaction in today's scientific community.
The rashness and licentiousness of some, and the inveterate superstition and stiffness of others in the ancient corruptions, had raised great dissensions to the regret of all christians.