arguable

As adjectives the difference between doubtful and arguable

is that doubtful is subject to, or causing doubt while arguable is that which can be argued; i.e., that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.

Uncertain is a related term of arguable.

As adjectives the difference between uncertain and arguable

is that uncertain is not certain; unsure while arguable is that which can be argued; ie, that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.

Problematical is a related term of arguable.

As adjectives the difference between problematical and arguable

is that problematical is doubtful or disputed while arguable is that which can be argued; ie, that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.

Unsure is a related term of arguable.

As adjectives the difference between unsure and arguable

is that unsure is uncertain while arguable is that which can be argued; ie, that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.

Questionable is a related term of arguable.

As adjectives the difference between questionable and arguable

is that questionable is (obsolete) inviting questions; inviting inquiry while arguable is that which can be argued; ie, that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.

Undecided is a related term of arguable.

As adjectives the difference between undecided and arguable

is that undecided is open and not yet settled or determined while arguable is that which can be argued; ie, that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.

As a noun undecided

is a voter etc who has not yet come to a decision.

Dubious is a related term of arguable.

As adjectives the difference between dubious and arguable

is that dubious is arousing doubt; questionable; open to suspicion while arguable is that which can be argued; ie, that which can be proven or strongly supported with sound logical deduction, precedent, and evidence.