illicit

As adjectives the difference between underhanded and illicit

is that underhanded is done by moving the hand (and arm) from below while illicit is (legal) not approved by law, but not invalid.

As adjectives the difference between legitimate and illicit

is that legitimate is in accordance with the law or established legal forms and requirements; lawful while illicit is not approved by law, but not invalid.

As a verb legitimate

is to make legitimate, lawful, or valid; especially, to put in the position or state of a legitimate person before the law, by legal means.

As adjectives the difference between illicit and complicit

is that illicit is not approved by law, but not invalid while complicit is associated with or participating in an activity, especially one of a questionable nature.

As an adjective illicit

is (legal) not approved by law, but not invalid.

As a noun iniquity is

deviation from what is right; wickedness, gross injustice.

As an adjective illicit

is (legal) not approved by law, but not invalid.

As a noun illicia is

.

As an adjective illicit is

(legal) not approved by law, but not invalid.

As an adjective illicit

is (legal) not approved by law, but not invalid.

As a verb illisit is

.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective illicit is

(legal) not approved by law, but not invalid.