Correct option is A
The correct synonym of the given word is (a)
defeat.
VANQUISH: To defeat thoroughly in a battle, contest, or conflict. (Hindi: पराजित करना, हराना)
Example: The general vowed to vanquish the enemy forces.
DEFEAT: To beat or overcome someone in a battle or contest. (Hindi: हराना)
Example: India defeated Australia in the finals.
Synonyms: conquer, overcome, subdue, crush.
Antonyms: surrender, fail, yield, retreat.
Meanings of other options:
·
Attack: to act aggressively toward.(आक्रमण करना)
·
Victory: a win or success (जीत) – noun, not a verb.
·
Loss: the state of losing. (हानि)