From the words lettered A to D, below each of the following sentences, choose the word or group of words that is nearest in meaning to the underlined word o...

From the words lettered A to D, below each of the following sentences, choose the word or group of words that is nearest in meaning to the underlined word or phrase as it is used in the sentence.
Whatever he says is irrevocable

Answer Details

The sentence implies that the things he says cannot be changed. So, the word that is nearest in meaning to "irrevocable" is "final" which means not to be changed or reconsidered. Therefore, the answer is "final."