incoherent

As an adjective incoherent

is lacking coherence or agreement; incongruous; inconsistent; not logically connected.

As a verb mumbled is

past tense of mumble.

As adjectives the difference between incoherent and confused

is that incoherent is lacking coherence or agreement; incongruous; inconsistent; not logically connected while confused is unable to think clearly or understand.

As a verb confused is

past tense of confuse.

Incoherent is a related term of inscrutable.

As adjectives the difference between incoherent and inscrutable

is that incoherent is incoherent (not coherent) while inscrutable is difficult or impossible to comprehend, fathom or interpret.

As a noun inscrutable is

one who or that which is inscrutable; a person, etc that cannot be comprehended.

Incoherent is a related term of inexpressive.

As adjectives the difference between incoherent and inexpressive

is that incoherent is incoherent (not coherent) while inexpressive is lacking expression or emotion.

As adjectives the difference between incoherent and impenetrable

is that incoherent is lacking coherence or agreement; incongruous; inconsistent; not logically connected while impenetrable is not penetrable.

As adjectives the difference between incoherent and muddled

is that incoherent is lacking coherence or agreement; incongruous; inconsistent; not logically connected while muddled is confused, disorganised, in disarray.

As a verb muddled is

past tense of muddle.

Incoherent is a synonym of unclear.

As adjectives the difference between incoherent and unclear

is that incoherent is incoherent (not coherent) while unclear is ambiguous; liable to more than one interpretation.

Incoherent is a related term of undecipherable.

As adjectives the difference between incoherent and undecipherable

is that incoherent is incoherent (not coherent) while undecipherable is not easily deciphered; difficult to read.

As adjectives the difference between incoherent and indistinct

is that incoherent is lacking coherence or agreement; incongruous; inconsistent; not logically connected while indistinct is not clearly defined or not having a sharp outline; faint or dim.