Synonyms of the word

contestable

• adj. That which can be contested.

challengeable

• adj. Able to be challenged or disputed.

debatable

• adj. Controversial. Not fully proved, open to debate, sometimes used humorously.
• adj. Of a person, argumentative.
• adj. A fitting subject for debate.

disputable

• adj. Of opinions, propositions or questions, subject to dispute; not settled.

questionable

• adj. (obsolete) Inviting questions; inviting inquiry.
• adj. Problematic; open to doubt or challenge.
• adj. Of dubious respectability or morality.

shakable

• adj. Able to be shaken.
• adj. Designed to be shaken.

shakeable

• adj. Alternative spelling of shakable.