unintelligible

Definitions

Impossible to understand or comprehend.

Not capable of being heard or deciphered clearly, as in speech or writing.

Examples

The recording was so distorted that the speaker's words were completely unintelligible.

He mumbled something unintelligible under his breath before storming out of the room.

The toddler's excited chatter was mostly unintelligible to everyone except his mother.

Synonyms

incoherent indecipherable garbled mumbled obscure cryptic inarticulate

Antonyms

intelligible clear articulate comprehensible lucid coherent plain