Synonyms of ill-formed

2 Syllables
vague, baggy, stacked
3 Syllables
deformed, malformed, shapeless, embryonic, misshapen, nebulous, unshaped, indistinct, amorphous, abnormal, inchoate, unmade, amorphic, unformed
4 Syllables
anomalous, ungraceful, solecistic, unshapely, irregular, disfigured, unstructured, invisible, mutilated
5 Syllables
unsymmetrical, ungrammatical, assymetrical, undeveloped, indefinite
6 Syllables
indeterminate