Pernicious
Destructive, unhealthy
Ornate
Adorned, elaborate
Demure
Unassuming, diffident
Refuted
Invalidated, exploded
Paramount
Cardinal, supreme
Feasible
Realistic, practical
Abysmal
Inadequate, frightful
Chasm
Cleft, opening
Perfunctory
Superficial, fleeting
Scrupulous
Attentive, sedulous
Inferno
Underworld, hell
Confounding
Astonishing, shaking
Cordiality
Friendly and polite behaviour
Tribulation
Affliction, anxiety
Propelled
Tossed, drove away