perilous

Full of or involving peril; dangerous or risky.

Full of peril or danger; dangerous; hazardous, risky: as, a perilous undertaking or situation; a perilous attempt.

Terrible; to be feared; liable to inflict injury or harm; dangerous.

Sharp; sarcastic; smart. Compare parlous.

Synonyms Risky. See danger.

Exceedingly; very.

Full of, attended with, or involving, peril; dangerous; hazardous.

Daring; reckless; dangerous.

Dangerous, full of peril.

fraught with danger