In the following questions,choose the word which is the exact $OPPOSITE$ of the given word:
$BENIGN$

Select the word or phrase which is closest to the $OPPOSITE$ in meaning of the highlighted word or phrase.
$Feasibility$ of the project is under study.

Choose one of the following options that means the opposite of the given word:
Somnolent

In the following questions,choose the word which is the exact $OPPOSITE$ of the given word.
$REVEALED$

Select the word or phrase which is closest to the $OPPOSITE$ in meaning of the highlighted word or phrase.
The members thought that the task was $feasible$.

In the following question,choose the word which is the exact $OPPOSITE$ of the given word.
$HINDRANCE$