Not conforming to known principles, or established or accepted rules or standards. / Not in accordance with the law. / Born to unmarried parents.

A person born to unmarried parents.

(transitive) To make illegitimate.

In an illegitimate manner.

Quality of being illegitimate.

plural of illegitimate

simple past tense and past participle of illegitimate

plural of illegitimation

(obsolete) The act of making illegitimate; bastardization. / (obsolete) The state of being illegitimate; illegitimacy.

simple past tense and past participle of illegitimize