undoubled

动词 v. 形容词 adj.
中文释义

英文释义

动词 v.
  1. simple past and past participle of undouble form-of,participle,past
形容词 adj.
  1. Not doubled. not-comparable
    — Assuming at the other table that three no-trump was undoubled, if the contract was making, the redouble would increase the gain to 9 international match points from 4.

词源

From un- + doubled.
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