Multiple choice Directions: Select the option that best defines the word in bold. Perilous inane useless risky frivolous Reveal answer Fill a bubble to check yourself C Correct answer Explanation Perilous means dangerous, risky, or hazardous - involving exposure to danger. The other options are incorrect: inane means silly/empty, useless means without purpose, and frivolous means trivial/unimportant. 'Risky' is the closest synonym.