O'DIOUS, a. [L. odiosus, from odi, I hated, Eng. hate.]1. Hateful; deserving hatred. It expresses something less than detestable and abominable; as an odious name; odious vice.All wickedness is odious.2. Offensive to the senses; disgusting; as an odious sight; an odious smell.3. Causing hate; invidious; as, to utter odious truth.4. Exposed to hatred.He rendered himself odious to the parliament.