Simple examples:
* Her scornfulness was evident in the way she rolled her eyes and scoffed at his suggestion.
* The politician's speech was laced with scornfulness towards his opponents.
Examples with context:
* His scornfulness towards the new policies was rooted in his deep distrust of the government.
* The old woman's scornfulness towards the young generation was a product of her own rigid beliefs.
* Despite her scornfulness towards the entire situation, she couldn't deny the faint glimmer of hope that flickered inside her.
Note: "Scornfulness" implies a strong sense of disdain or contempt. It suggests a feeling of superiority and a belief that the object of the scorn is unworthy.