Antonyms

Answer: A

Explanation:

Certain means sure, definite, so, its antonym is doubtful which means unsure, uncertain, etc.

Answer: B

Explanation:

Philistine refers to a person who is ignorant and guided by material rather than intellectual values. So, its antonym is intellectual; a person who is engaged in the creative use of his intellect and guided my intellectual values.

Answer: A

Explanation:

Irascible means irritable, easily angered, etc. So, its antonym is placid which means calm, good-natured, etc.

Answer: D

Explanation:

Approbate means to approve or sanction officially. So, its antonym is 'condemn', which means to declare wrong, to convict, etc.

Answer: C

Explanation:

'Supercilious' means haughty, arrogant, patronizing. So, its antonym is meek which means humble, timid.