Odious means extremely unpleasant or hateful. It can describe something that is morally reprehensible or that causes strong feelings of dislike or disgust.
Here are some examples of how "odious" can be used:
* "The dictator's actions were odious and caused widespread suffering."
* "The smell of the garbage was odious, making it impossible to eat."
* "Her constant criticism was odious and made everyone feel uncomfortable."