Choose the word that means the opposite of the given word:
Inferior

a) exterior
b) posterior
c) superior
d) prior

Hint: Antonyms are those words that express a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other.
The word is given in the question, 'inferior', refers to someone or something that is 'lower or lesser in quality'.

Complete answer:

Let us analyze the options given to us in this question:
Option (a.), 'exterior', refers to 'the outer surface of something’. Therefore, option (a.) is incorrect as it is not antonymous in meaning to ‘inferior’.

Option (b.), ‘posterior', refers to something or someone that is further back in position. Therefore, option (b.) is incorrect as it is not antonymous in meaning to ‘inferior’.

Option (c.), ‘superior', refers to something or someone that is higher in rank or quality. Therefore, option (c.) is incorrect as it means the opposite of the given word ‘inferior’.

Option (d.), ‘prior', refers to something existing before time. Therefore, option (d.) is incorrect as it is not antonymous in meaning to ‘inferior’.

Note: You need not find a perfect opposite for the word that is given in the question, but the best opposite for the word given, from the given set of options.
Some antonyms for the given word ‘inferior’ are- superior, senior, better, superscript.