RichThesaurus
as clear as mud
as clear as mud
synonyms
unfathomable
puzzling
enigmatic
perplexing
mystifying
obscure
Delphic
arcane
abstruse
oracular
mysterious
inexplicable
cryptic
esoteric
recondite
elliptical
baffling
ambiguous
oblique
impenetrable
opaque
equivocal
incomprehensible
confusing
recherché
indeterminate
indistinct
unexplained
hidden
occult
secret
unintelligible
hard to understand
deep
indecipherable
insoluble
inscrutable
ill-defined
lacking definition
uninterpretable
foggy
undefined
barely legible
hard to read
unaccountable
concealed
faded
bewildering
hazy
sibylline
more synonyms
as clear as mud
antonyms
clear
straightforward
plain
legible
limpid