Ill-formed

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  ill-formed \ill-formed\ adj.
     1. (Grammar) not grammatical; ungrammatical; not conforming
        to the rules of grammar or accepted usage. Opposite of
        {grammatical}.
  
     Syn: ungrammatical.


          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

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