Synonyms of hideous

Adjective

1. hideous, horrid, horrific, outrageous, offensive (vs. inoffensive)

usage: grossly offensive to decency or morality; causing horror; "subjected to outrageous cruelty"; "a hideous pattern of injustice"; "horrific conditions in the mining industry"

2. hideous, repulsive, ugly (vs. beautiful)

usage: so extremely ugly as to be terrifying; "a hideous scar"; "a repulsive mask"

Definition and meaning of hideous (Dictionary)