You searched for: “most die hard”
diehard, die-hard (adjective); more diehard, more die-hard; most diehard, most die-hard
A reference to anybody who is resistant to any kind of change, and reluctant to give up his or her beliefs, positions, or attitudes: They were diehard politicians who were locked into their uncooperative ways.

Dina's father was a diehard Republican and her mother was a diehard Democrat and neither one could agree on what should be done politically.

This entry is located in the following unit: English Words in Action, Group D (page 3)