Jerky and Pinheaded

Jerky adjective - Showing or marked by a lack of good sense or judgment.

Pinheaded and jerky are semantically related. In some cases you can use "Pinheaded" instead an adjective "Jerky".

Pinheaded adjective - Not having or showing an ability to absorb ideas readily.

Jerky and pinheaded are semantically related. Sometimes you can use "Jerky" instead an adjective "Pinheaded".