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search  Neologism is the name for a term, word or phrase that
has been in use, but that not yet been accepted into mainstream
language.[1][2] Neologisms are often directly attributable to a
specific person, publication, period, or event. Νεολεξία (Greek:
a "new word", or the act of creating a new word) is a synonym
for it. The term neologism was first used in English in 1772,
borrowed from French néologisme (1734).[3]  Using an existing
word or phrase in a new context is also called neologism.[4][5]
The process of using a word in such a new context is sometimes
called a semantic extension.[6][7]  Use in psychiatry[change |
edit source]  In psychiatry, the term neologism is used to
describe the use of words that have meaning only to the person
who uses them, independent of their common meaning.[8] This
tendency is considered normal in children. In adults, it can be
a symptom of psychopathy[9] or a thought disorder, such as a a
psychotic mental illness,