ILLEGITIMATE
illegitimate, illicit, outlaw, outlawed, unlawful
(adjective) contrary to or forbidden by law; “an illegitimate seizure of power”; “illicit trade”; “an outlaw strike”; “unlawful measures”
illegitimate
(adjective) of marriages and offspring; not recognized as lawful
bastard, by-blow, love child, illegitimate child, illegitimate, whoreson
(noun) the illegitimate offspring of unmarried parents
Source: WordNet® 3.1
Etymology
Adjective
illegitimate (comparative more illegitimate, superlative most illegitimate)
Not conforming to known principles, or established or accepted rules or standards.
Synonym: invalid
Antonym: valid
Not in accordance with the law.
Synonyms: illegal, illicit, unlawful
Antonym: legal
Not sanctioned by marriage.
Born to unmarried parents.
Synonym: natural
(dated) Having a child or children with a person to whom one is not married.
Not correctly deduced.
Synonyms: illogical, invalid
Antonyms: logical, valid
Not authorized by good usage; not genuine.
Synonym: spurious
(botany) Involving the fertilization of pistils by stamens not of their own length, in heterogonously dimorphic and trimorphic flowers.
Synonyms
• See also illegitimate
Antonyms
• legitimate
Noun
illegitimate (plural illegitimates)
A person born to unmarried parents.
Synonyms: natural child, lovechild, bastard
Verb
illegitimate (third-person singular simple present illegitimates, present participle illegitimating, simple past and past participle illegitimated)
(transitive) To make illegitimate.
Source: Wiktionary
Il`le*git"i*mate, a.
1. Not according to law; not regular or authorized; unlawful;
improper.
2. Unlawfully begotten; born out of wedlock; bastard; as, an
illegitimate child.
3. Not legitimately deduced or inferred; illogical; as, an
illegitimate inference.
4. Not authorized by good usage; not genuine; spurious; as, an
illegitimate word. Illegitimate fertilization, or Illegitimate union
(Bot.), the fertilization of pistils by stamens not of their own
length, in heterogonously dimorphic and trimorphic flowers. Darwin.
Il`le*git"i*mate, v. t. [imp. & p. p. Illegitimated; p. pr. & vb. n.
Illegitimating.]
Definition: To render illegitimate; to declare or prove to be born out of
wedlock; to bastardize; to illegitimatize.
The marriage should only be dissolved for the future, without
illegitimating the issue. Bp. Burnet.
Source: Webster’s Unabridged Dictionary 1913 Edition