The word "jaded" means to become disillusioned, weary or cynical. It can refer to a person who has lost their enthusiasm for something due to repeated exposure or disappointment.
Usage examples
After years of working in the fast-paced fashion industry, she became jaded and lost her passion for design.
The politician's jaded attitude towards the promises made by his opponents made it difficult for him to trust anyone in his field.
The constant stream of negative news on social media has left many people feeling jaded and hopeless.
His jaded view of relationships made it challenging for him to believe in true love.
The jaded teacher seemed uninterested in her students' progress and delivered dull lectures day after day.
The most significant find of Altun Ha is the «Jade Head», which represents the Mayan Sun God, Kinich Ahua; it is the largest object carved of jade in the Maya civilization. (belize.com)
It's easily one of the better movies of the summer — or maybe I'm just so jaded by most of what has been offered lately — but it could ruffle a few feathers come awards season. (scene-stealers.com)
It did not take me long as a student to figure out that lawyers weren't exactly the happiest kids on the playground and very quickly I became as jaded as the others. (canadianlawyermag.com)