Stubborn : having or showing dogged determination not to change one's attitude or position on something, especially in spite of good arguments or reasons to do so.Stupid : having or showing a great lack of intelligence or common sense.Gentle : having or showing a mild, kind, or tender temperament or character.Vague : of uncertain, indefinite, or unclear character or meaning.Docile : ready to accept control or instruction; submissive.Synonym of Docile is Gentle