Search Result for "ungrammatical": 
Wordnet 3.0

ADJECTIVE (1)

1. not grammatical; not conforming to the rules of grammar or accepted usage;
[syn: ungrammatical, ill-formed]


The Collaborative International Dictionary of English v.0.48:

Ungrammatical \Ungrammatical\ See grammatical.
WordNet (r) 3.0 (2006):

ungrammatical adj 1: not grammatical; not conforming to the rules of grammar or accepted usage [syn: ungrammatical, ill-formed] [ant: grammatical, well-formed]