1590s, from un- (2) "opposite of" + thaw (v.). Related: Unthawed; unthawing.

Online Etymology Dictionary, © 2010 Douglas Harper

Examples from the Web for unthaw

Historical Examples of unthaw

  • "I may as well be pleasant to him," reflected Nan, "for he may be my brother-in-law some day," and she began to unthaw a little.

    The Four Corners in Japan

    Amy Ella Blanchard