<u>Superior</u> means anything which is higher in rank , status or quality among similar other things or people.
<u>Posterior</u> means something which is at back.
<u>Inferior</u> means anything which is lower in rank , status or quality among similar other things or people.
<u>Anterior</u> means something which is nearer to the front.
∴ Pair of opposite terms is: Superior/inferior
