Oldline and Standpat

Oldline adjective - Adhering to conservative or reactionary principles.

Standpat and oldline are semantically related. in reactionary topic. In some cases you can use "Standpat" instead an adjective "Oldline", when it comes to topics like uncompromising, conservative.

Standpat adjective - Tending to favor established ideas, conditions, or institutions.

Oldline and standpat are semantically related. Sometimes you can replace term "Oldline" with "Standpat", this adjectives are similar.