In the following question, choose the word opposite in meaning to the given word.

Mere

AVERSION 

In the question given below five words are given in which four of them have a similar meaning and one word is the antonym for the other four words. Choose the word, opposite in meaning to the other four, as your answer.

Select the most appropriate antonym of the given word.

Fertile

Select the most appropriate antonym of the given word.
Fertile

ZENITH

Select the most appropriate antonym of the given word.

Acute

PROFESSIONAL