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Meaning of hyperform

hy•per•form

Pronunciation: (hī'pur-fôrm"), [key]
— n. Ling.
  1. a pronunciation or grammatical form or usage produced by hypercorrection. Cf. hypercorrection, hyperurbanism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.