Multiple choice Directions: Choose the word closest in meaning for the word given below. Noxious Foul Objectionable Nasty Poisonous Reveal answer Fill a bubble to check yourself D Correct answer Explanation Noxious means harmful, poisonous, or extremely unpleasant. Poisonous is the most direct synonym. Foul and nasty are related but less specific, objectionable means disagreeable rather than physically harmful.