'Purism' definitions:

Definition of 'purism'

From: WordNet
noun
Scrupulous or exaggerated insistence on purity or correctness (especially in language); "linguistic purisms"

Definition of 'Purism'

From: GCIDE
  • Purism \Pur"ism\, n. [Cf. F. purisme.] Rigid purity; the quality of being affectedly pure or nice, especially in the choice of language; over-solicitude as to purity. "His political purism." --De Quincey. [1913 Webster]
  • The English language, however, . . . had even already become too thoroughly and essentially a mixed tongue for his doctrine of purism to be admitted to the letter. --Craik. [1913 Webster]