indefinable
I
adjective
abstruse, beyond expression, confusing, cryptic, difficult to explain, difficult to translate, difficult to understand, enigmatic, enigmatical, hard to explain, hard to translate, hard to understand, impenetrable, impossible to explain, impossible to translate, impossible to understand, incomprehensible, indescribable, inexplicable, inexpressible, inscrutable, mysterious, obscure, opaque, perplexing, puzzling, unaccountable, unclear, unfathomable, unplain, untranslatable
II
index
ineffable, inexplicable, undefinable, unspecified
Burton's Legal Thesaurus.
William C. Burton.
2006