Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: hideous  hi-dee-us
  1. Grossly offensive to decency or morality; causing horror
    "a hideous pattern of injustice";
    - horrid, horrific, outrageous
  2. So extremely ugly as to be terrifying
    "a hideous scar";
    - repulsive

See also: offensive, ugly, unbeautiful

Encyclopedia: Hideous