Choose the word which is closest to the opposite meaning to italicized words.
There was not a single bibulous adventure in our expedition.
A) Fearful
B) Cowardly
C) Sober
D) unenergetic

Hint: Bibulous means excessively fond of alcohol or describes something that is highly absorbent. Example: His loneliness made him bibulous. We will look for a word which is opposite in meaning to the word ‘bibulous’.

Complete answer:
Let's discuss the given options in detail to find the correct answer.
>Fearful : fearful means someone who tends to feel scared or experiencing a feeling of fear. Example, although he was extremely fearful of snakes, the boy reluctantly agreed to hold the python. It is not the opposite meaning of bibulous. Hence option A is incorrect.
>Cowardly : it means lacking courage or a person who is not brave and is too eager to avoid danger. Example: He ran from the haunted house cowardly. Hence option B is incorrect.
>Sober : sober means not affected by alcohol. It is similar to the opposite meaning of bibulous. Example: Everyone drank in the party, except him. He was sober. Hence option C is correct.
>Unenergetic : it means lacking or absence of energy.This option does not express the intended antonym. Example: I am feeling very unenergetic due to this headache. Hence option D is incorrect.

Hence, the correct answer is option C.

Note: The other synonym of the word bibulous is absorbent, spongy. Example: This fabric is quite absorbent, therefore it will remain dry. (referring to the other meaning of bibulous, which is absorbent which means capable of absorbing). Some antonyms of the word bibulous along with sober are non absorbent.