To debase or make impure by adding inferior materials or elements; use cheaper, inferior, or less desirable goods in the production of any professedly genuine article:
to make invalid
the disgrace or the reproach incurred by conduct considered outrageously shameful; infamy.
A new word, meaning, usage, or phrase; the creation or use of new words or senses:
characterized by a pretentious show in an attempt to impress others