The word "un-tangles" means to unravel or straighten out something that was previously tangled or knotted. The opposite of un-tangles would be to tangle, knot or entangle. Tangled hair, cords, or ropes are common examples of things that require untangling. One may also untangle ambiguous situations or unresolved problems. In contrast, tangling up a situation or making it worse is the exact opposite of finding a solution. Unraveling a mystery or answering a riddle is the same as untangling a problem. In short, antonyms for un-tangles refer to words that describe the act of snarling or confusing.