Definitions
1.AdjectiveNot conforming to known principles, or established or accepted rules or standards.
2.AdjectiveNot in accordance with the law.
3.AdjectiveNot sanctioned by marriage."an illegitimate child"
4.AdjectiveBorn to unmarried parents."an illegitimate child"
5.AdjectiveHaving a child or children with a person to whom one is not married.
6.AdjectiveNot correctly deduced."an illegitimate inference"
7.AdjectiveNot authorized by good usage; not genuine."an illegitimate word"
8.AdjectiveInvolving the fertilization of pistils by stamens not of their own length, in heterogonously dimorphic and trimorphic flowers."illegitimate union; illegitimate fertilization"
9.NounA person born to unmarried parents.
10.VerbTo make illegitimate.