barbarism

noun4

1. •
   A barbaric act.

   • These barbarisms can not be allowed to continue; they must be crushed or civilization will collapse.
2. •
   The condition of existing barbarically.

   • War is at best barbarism... Its glory is all moonshine. — 1879
3. •
   A word hybridizing Ancient Greek and Latin or other heterogeneous roots.
4. •
   An error in language use within a single word, such as a mispronunciation.

   • In the jargon of the ancient grammarian, penacilin would be a barbarism. — 2002