Fatheaded and Pigheaded

Fatheaded adjective - (used informally) stupid.

Pigheaded and fatheaded are semantically related. In some cases you can replace term "Pigheaded" with "Fatheaded", this adjectives are similar.

Pigheaded adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.

Fatheaded and pigheaded are semantically related. Sometimes you can replace term "Fatheaded" with "Pigheaded", this adjectives are similar.