Clues for the word "INVETERATE"

We've had 4 crossword clues used for this word, and seen it 4 times in crosswords. It was last seen in Mirror Quick crossword on December 17, 2017.

Definition of inveterate

a. - Old; long-established.
a. - Firmly established by long continuance; obstinate; deep-rooted; of long standing; as, an inveterate disease; an inveterate abuse.
a. - Having habits fixed by long continuance; confirmed; habitual; as, an inveterate idler or smoker.
a. - Malignant; virulent; spiteful.
v. t. - To fix and settle by long continuance.