Undeniably antonyms

What is the opposite word for Undeniably?

• doubtfully

  actually, absolutely
• dubiously

  actually, certainly
• indefinitely

  certainly, unmistakably
• questionably

  actually, absolutely
• uncertain

  certainly, without any doubt
• vaguely

  without any doubt, unmistakably
• equivocally

  without any doubt, unmistakably
• questionable

  certainly
• doubtedly

  certainly, without a doubt
• indefinite

  actually, without a doubt
• indistinctly

  without any doubt
• mysteriously

  without any doubt
• difficultly

  without a doubt
• dubitably

  without a doubt
• arguably