Old politician opposed to the Tories (4)

I believe the answer is:

whig

(Other definitions for whig that I've seen before include "Old politician" , "political operator" , "Member of a former reforming party" , "British reformist" , "Seventeenth century politician" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.