neologism

Meaning

Noun

• A word or phrase which has recently been coined; a new word or phrase, or an existing one which has gained a new meaning.
• The act or instance of coining, or uttering a new word.
• The newly coined, meaningless words or phrases of someone with a psychosis, usually schizophrenia.
• The introduction of new doctrine, for example in theology.

Related

Opposite words

• paleologism

Origin

• From French néologisme, from Ancient Greek νέος + λόγος.