felt up

Từ điển WordNet v3.1 - WordNet Dictionary

verb

change texture so as to become matted and felt-like
- The fabric felted up after several washes
• Syn:
felt, mat up, matt-up, matte up, matte, mat
• Derivationally related forms:
mat (for: mat), matting (for: mat), felt (for: felt)
• Hypernyms:
change
• Verb Frames:
- Something ----s