In the following question,choose the word which is the exact $OPPOSITE$ of the given word:
$SUBSERVIENT$

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

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

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

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

Select the word or phrase which is closest to the $OPPOSITE$ in meaning of the highlighted word or phrase:
It is one of $pernicious$ customs prevailing in the society.