In the following set of words, which is different than the others?

Question

Quizplus · Accepted Answer

Bigoted is defined as 'obstinately or unreasonably attached to a belief, opinion, and intolerance towards other people's beliefs'. It is not similar to the other words in the set because they pertain to a neutral, accepting thought process.
Tolerant is defined as 'showing a willingness to allow the existence of opinions or behavior that one does not necessarily agree with'. It is similar to the other words in the set (excluding 'bigoted') because they pertain to a neutral, accepting thought process.
Liberal is defined as 'willing to respect or accept behavior or opinions different from one's own.
Unprejudiced is defined as 'not having or showing a dislike or distrust based on preconceived ideas'.
Unaligned is defined as 'neutral and not aligned with something else'.

In the Following Set of Words, Which Is Different Than