undoubtful

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Not doubtful. not-comparable
    — I was utterly unconscious of this irregularity, and might have remained so, had not a friend the next day asked me the reason of it. Indeed I should have disbelieved that it had taken place, had not the testimony of several persons rendered it undoubtful.

词源

From un- + doubtful.
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