Select the word opposite in meaning to the given word: Indolent

Choose the correct antonym for 'Infallible' from the options given below:

Choose the correct antonym for the underlined word in the following sentence:

The belligerent nation refused to negotiate and continued its aggressive actions towards the neighboring nation.

Select the most appropriate antonym for the word 'lament'.

Choose the most appropriate antonym for the word: Ephemeral

Choose the word opposite in meaning to the word-- Acrimonious.

Choose the correct antonym of the following underlined word:

The chairman's little joke provided a rare moment of levity in an otherwise dreary meeting.