1. to make or become ill or nauseated
2. to cause strong feelings of disgust or revulsion
3. to become weary or tired of something

Examples

• The smell of rotten eggs sickened everyone in the room.
• She began to sicken after eating the spoiled food.
• The graphic images in the documentary sickened viewers.
• His cruel behavior sickened his friends.
• The patient started to sicken despite the treatment.
• I sicken of hearing the same excuses over and over.
• The violence in the movie sickened many audience members.