2 days ago · The meaning of MUDDY is full of or covered with mud. How to use muddy in a sentence. Shop quality hunting treestands, blinds, apparel, trail cameras, and more at Muddy Outdoors. From solo hunts to shared adventures, Muddy has you covered. covered by or containing mud (= wet, sticky earth): 2. Muddy colours are dark and not bright…. muddy synonyms, muddy pronunciation, muddy translation, English dictionary definition of muddy. mud·di·er , mud·di·est 1. Full of or covered with mud. Not bright or pure: a muddy … Muddy is used to describe a colour which is dull and brownish. The paper has turned a muddy colour. The meaning of muddy is easy to remember: just look at the root word mud and think about smearing it on something. Muddy is also an adjective that describes something that's dirty and messy. covered by or containing mud (= wet, sticky earth): 2. Muddy colours are dark and not bright….