sanctionless

As a noun terms

is .

As an adjective sanctionless is

(of a law) for breaking which there is no sanction.

As adjectives the difference between unsanctionable and sanctionless

is that unsanctionable is that cannot be sanctioned; inexcusable while sanctionless is for breaking which there is no sanction.

As a noun sanction

is an approval, by an authority, generally one that makes something valid.

As a verb sanction

is to ratify; to make valid.

As an adjective sanctionless is

(of a law) for breaking which there is no sanction.