Synonyms of unintelligible in English:

unintelligible


See definition of unintelligible

adjective

1‘jargon words usually sound ugly and unintelligible to outsiders’

SYNONYMS
incomprehensible, indiscernible, meaningless, unfathomable, obscure, cryptic, inscrutable, enigmatic, mumbled, indistinct, unclear, slurred, inarticulate, incoherent, confused, garbled, scrambled, muddled, jumbled, senseless
informal all Greek to me

2‘unintelligible graffiti’

SYNONYMS
illegible, indecipherable, unreadable, hard to read, scrawled, scribbled, crabbed