If you remove the affixes from the word immovable, what is the definition of the remaining root?

A.

to be easygoing

B.

to be stubborn

C.

unable to advance

D.

to advance

If you remove the affixes from the word immovable, you will have to remove im - and - able, then you will have the root word which is move. I believe the correct answer from the choices is option D. The definition of the root would be to advance. Hope this answers the question.