questionable

As adjectives the difference between questionable and undefined

is that questionable is (obsolete) inviting questions; inviting inquiry while undefined is lacking a definition or value.

Mistrustful is a related term of questionable.

As adjectives the difference between mistrustful and questionable

is that mistrustful is having or causing mistrust, suspicions, or forebodings while questionable is (obsolete) inviting questions; inviting inquiry.

As adjectives the difference between questionable and debateable

is that questionable is (obsolete) inviting questions; inviting inquiry while debateable is .

As an adjective questionable

is (obsolete) inviting questions; inviting inquiry.

As a noun sus is

stainless steel.

As adjectives the difference between despondent and questionable

is that despondent is in low spirits from loss of hope or courage while questionable is inviting questions; inviting inquiry.

As adjectives the difference between questionable and unquestionable

is that questionable is inviting questions; inviting inquiry while unquestionable is undeniable, obvious.

As adjectives the difference between questionable and decisive

is that questionable is (obsolete) inviting questions; inviting inquiry while decisive is .

In obsolete terms the difference between vague and questionable

is that vague is a wandering; a vagary while questionable is inviting questions; inviting inquiry.

As a noun vague

is a wandering; a vagary.

As a verb vague

is to wander; to roam; to stray.

In obsolete|lang=en terms the difference between doubtable and questionable

is that doubtable is (obsolete) fearsome; redoubtable while questionable is (obsolete) inviting questions; inviting inquiry.

As adjectives the difference between doubtable and questionable

is that doubtable is (uncommon) capable of being doubted; doubtful; dubious; dubitable see usage notes below while questionable is (obsolete) inviting questions; inviting inquiry.