Choose the word that describes the best antonym (opposite) of the following words.
Pernicious

Beneficial

The best antonym for pernicious is beneficial.

• Pernicious means highly injurious or destructive.
• Beneficial means conferring a benefit; advantageous.

The other options are not opposites of pernicious.

• Prolonged means lasting for a long time.
• Ruinous means causing or leading to ruin.
• Pornographic means relating to or depicting explicit sexual activity in a way that is intended to cause sexual excitement.