'Neologism' definitions:

Definition of 'neologism'

From: WordNet
noun
A newly invented word or phrase [syn: neologism, neology, coinage]
noun
The act of inventing a word or phrase [syn: neologism, neology, coinage]

Definition of 'Neologism'

From: GCIDE
  • Neologism \Ne*ol"o*gism\, n. [Cf. F. n['e]ologisme.]
  • 1. The introduction of new words, or the use of old words in a new sense. --Mrs. Browning. [1913 Webster]
  • 2. A new word, phrase, or expression. [1913 Webster]
  • 3. A new doctrine; specifically, rationalism. [1913 Webster]

Synonyms of 'neologism'

From: Moby Thesaurus