Spurious

The teacher's spurious kindness was a mask for her true feelings.

The defendant's spurious defense was easily disproven by the prosecution.

The politician was accused of making spurious claims during the debate.

The newspaper article contained spurious information about the celebrity's personal life.

The company's sales pitch made spurious claims about the benefits of their product.

The blogger's spurious advice on how to lose weight was quickly debunked by experts.