Which word is a synonym of “fumigate”?

Correct answer: Disinfect. To fumigate is to treat a place with smoke or fumes to kill pests or germs, which is a form of disinfecting.

• Clean: Clean is a general word and does not imply treating with fumes to kill pests or germs.
• Decorate: Decorate means to make something look attractive, which is unrelated.
• None of these: “None of these” is incorrect because “disinfect” is a synonym.