1. Tangled in a dense mass
   "tried to push through the matted undergrowth"
    
2. Not reflecting light; not glossy
   "Her hair was matted and dull after days without washing";
   - flat, mat, matt, matte

1. Twist together or entwine into a confusing mass
   "The wind matted her hair";
   - entangle, tangle, snarl
    
2. Change texture so as to become matted and felt-like
   "Her hair matted up after days without washing";
   - felt, felt up, mat up, matte up, matte

See also: dull, tangled

Type of: change, distort, twine, twist

Antonym: straighten out

Encyclopedia: Matted