neologism

Meanings

1. A word or phrase which has recently been coined; a new word or phrase.
2. An existing word or phrase which has gained a new meaning.
3. The act or instance of coining, or uttering a new word.
4. The newly coined, meaningless words or phrases of someone with a psychosis, usually schizophrenia.
5. Synonym of neology.

Etymology

From French néologisme, from Ancient Greek νέος (néos, “new”) + λόγος (lógos, “word”) + -ism.