Meaning of ungrammatical

un•gram•mat•i•cal

Pronunciation: (un"gru-mat'i-kul), [key]
— adj.
  1. grammatically incorrect or awkward; not conforming to the rules or principles of grammar or accepted usage: an ungrammatical sentence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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