Synonyms for Open to question

Synonyms starting with letter C

• controversial

  questionable, doubtful, debatable
• contentious

  debatable, at issue
• contestable

  controversial, debatable, at issue
• controvertible

  at issue, doubtful
• contended

  at issue
• chancy

  debatable, controversial
• contingent

  doubtful
• cryptic

  doubtful
• changing

  uncertain
• contested

  debatable
• circumlocutory
• changeful