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Verb: unroll  ,ún'rówl
  1. Reverse the winding or twisting of
    "unroll a ball of yarn";
    - unwind, wind off, unspool
  2. Unroll, unfold, or spread out or be unrolled, unfolded, or spread out from a furled state
    "unroll a banner";
    - unfurl

Derived forms: unrolls, unrolled, unrolling

Type of: change surface, displace, move

Antonym: roll up