'Unintelligible' definitions:

Definition of 'unintelligible'

From: WordNet
adjective
Poorly articulated or enunciated, or drowned by noise; "unintelligible speech" [ant: intelligible]
adjective
Not clearly understood or expressed [syn: opaque, unintelligible]

Definition of 'Unintelligible'

From: GCIDE

Synonyms of 'unintelligible'

From: Moby Thesaurus