Not sanctioned by marriage.
Not correctly deduced.
Not authorized by good usage; not genuine.
Involving the fertilization of pistils by stamens not of their own length, in heterogonously dimorphic and trimorphic flowers.
Not conforming to known principles, or established or accepted rules or standards.
Born to unmarried parents.
Not in accordance with the law.
A person born to unmarried parents.
To make illegitimate.
Well grounded or justifiable, pertinent.
Of an argument: whose conclusion is always true whenever its premises are true.
Genuine - as distinguished from efficient or regular - sacrament.
Related to the current topic, or presented within context, relevant.
Of a formula or system: such that it evaluates to true regardless of the input values.
Acceptable, proper or correct; in accordance with the rules.