• WordNet 3.6
    • adj illegitimate contrary to or forbidden by law "an illegitimate seizure of power","illicit trade","an outlaw strike","unlawful measures"
    • adj illegitimate of marriages and offspring; not recognized as lawful
    • n illegitimate the illegitimate offspring of unmarried parents
    • ***
Webster's Revised Unabridged Dictionary
    • Illegitimate Not according to law; not regular or authorized; unlawful; improper.
    • Illegitimate Not authorized by good usage; not genuine; spurious; as, an illegitimate word.
    • Illegitimate Not legitimately deduced or inferred; illogical; as, an illegitimate inference.
    • v. t Illegitimate 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."
    • Illegitimate Unlawfully begotten; born out of wedlock; bastard; as, an illegitimate child.
    • ***
Century Dictionary and Cyclopedia
    • illegitimate Not legitimate. Not in conformity with law; not regular or authorized; contrary to custom or usage; spurious: as, an illegitimate production; an illegitimate word.
    • illegitimate Not logically inferred or deduced; not warranted; illogical: as, an illegitimate inference.
    • illegitimate Unlawfully begotten; born out of wedlock; bastard: as, an illegitimate child. See legitimate.
    • illegitimate In botany, produced by irregular or abnormal fertilization. See phrase below.
    • illegitimate To render or prove illegitimate; attaint as having been born out of wedlock; bastardize.
    • n illegitimate An emigrant who has come of his own volition and has not had ‘legal reasons’ for his voyage. See legitimate, n., 2.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Illegitimate il-le-jit′i-māt not according to law: not born in wedlock: not properly inferred or reasoned: not genuine
    • ***


  • Lady Nancy Astor
    Lady Nancy Astor
    “I refuse to admit that I am more than 52, even if that makes my children illegitimate.”
  • Clement Attlee
    Clement Attlee
    “Russian Communism is the illegitimate child of Karl Marx and Catherine the Great.”
  • Leon R. Yankwich
    Leon R. Yankwich
    “There are no illegitimate children, only illegitimate parents.”


In literature:

ILLEGITIMATES OR BASTARDS also furnish strong proof of the correctness of this our leading doctrine.
"Searchlights on Health: Light on Dark Corners" by B.G. Jefferis
Nobody had ever called him illegitimate in just that way before.
"That Sweet Little Old Lady" by Gordon Randall Garrett (AKA Mark Phillips)
He was born in France in 1765, and was the illegitimate son of Hugh Smithson, afterwards Duke of Northumberland.
"American Men of Mind" by Burton E. Stevenson
In the sixteenth century, in Spain, illegitimate births were very common.
"Folkways" by William Graham Sumner
For erecting houses or hospitals for taking in and maintaining illegitimate children.
"Memoirs of Extraordinary Popular Delusions and the Madness of Crowds" by Charles Mackay
Two illegitimate daughters, Ursina and Isotta, were recognized and treated by him as legitimate.
"New Italian sketches" by John Addington Symonds
Don Juan, the illegitimate brother of Philip II, was to be commander in chief.
"A History of Sea Power" by William Oliver Stevens and Allan Westcott
A young lady, soon after the birth of an illegitimate child, became insane.
"An Account of the Foxglove and some of its Medical Uses" by William Withering
It does not indicate the smallest tendency in him to further his own policy by means of illegitimate foreign influences.
"Sir Walter Ralegh" by William Stebbing
This Leicester has always passed for an illegitimate son of Mr. Gaunt's father.
"The Atlantic Monthly, Volume 18, No. 108, October, 1866" by Various

In poetry:

Thou from thy hopeless heart that love shalt cast--
That child of earth, false, illegitimate:
Shalt fling it to the night and wintry blast--
Out in the storm--there let it find its fate.
"The Wind Is Howling Through The Winter Night" by Avetik Isahakian

In news:

Bredesen says family tax break ' illegitimate '.
A look at my inbox confirms the findings of research which tells us that 80% of e-mail comes from illegitimate or unknown sources.
Arnold Schwarzenegger's Illegitimate Son Born Same Week as His and Maria Shriver's Youngest Child.
Now in business for himself, Traister says he wishes there was better enforcement when it comes to cracking down on illegitimate locksmiths .
Her father, Michael Lohan, fathered an illegitimate child in 1995 while married to Dina Lohan.
An article published yesterday in Foreign Affairs by the Palestinian-American anti-Israel writer Ali Abunimah is one more particularly telling road mark of the march of the idea that a Jewish state is morally illegitimate.
Years ago I came across an article, I forget where but I believe it was a major news magazine, that there was a man in France who claimed to be the illegitimate son of Adolf Hitler.
Libya orders 'illegitimate' militias to disband amidst popular anger over attack on US.
Democrats are offended by words like "illegitimate rape" because they say those words are offensive to women.
And discovering her family history is blighted by child labor and an illegitimate birth.
Mildred Baena, the mistress of Arnold Schwarzenegger and mother of his illegitimate thirteen-year-old son, has gone into hiding.
Dina Lohan talks to ET about how she was blindsided by the news of Michael's illegitimate daughter.
Electronica and all its illegitimate children.
Activists say the voting is illegitimate, but the government hails the multiparty elections, which are Syria's first, as a major step toward reform.
It does show, however, how many on the right view the president as being an illegitimate leader for the country.

In science:

The concept can be used to define naturally induced classes of algebras even on some illegitimate categories.
Varieties defined by natural transformations
Illegitimate coincidences are crucial within the spoof model because some of them can be associated with the middle term in Eq. (2).
A "Spoof Loophole" Contra Nonlocality
Thus, when these symbolic associations are made for the middle terms of Eq. a formal identification between (skew) illegitimate coincidences and the mixed or cross terms.
A "Spoof Loophole" Contra Nonlocality
Given the above, the next question is: does the ratio of proper to improper illegitimate coincidences conform with the ratio satisfying Eq. (2); which is 1::1? There are two cases to consider: illegitimate pairs and legitimate pairs.
A "Spoof Loophole" Contra Nonlocality
If each node stores the link through which it sent the token last, the son in the tree of an link that has been disconnected can detect an illegitimate configuration.
Universal adaptive self-stabilizing traversal scheme: random walk and reloading wave