adjective
muddier; -est
filled or covered with mud
similar to mud
not clear or bright :dull or cloudy
unclear in thought or meaning
verb
-dies; -died; -dying
[+ obj] :to make (something) muddy: such as
to cover (something) with mud
to make (a color) cloudy or dull
to cause (something) to become unclear or confused
muddy the waters
to make something more complicated or difficult to understand
US