• WordNet 3.6
    • adj illusory based on or having the nature of an illusion "illusive hopes of finding a better job","Secret activities offer presidents the alluring but often illusory promise that they can achieve foreign policy goals without the bothersome debate and open decision that are staples of democracy"
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Webster's Revised Unabridged Dictionary
    • a Illusory Deceiving, or tending of deceive; fallacious; illusive; as, illusory promises or hopes.
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Century Dictionary and Cyclopedia
    • illusory Causing illusion; deceiving or tending to deceive by false appearances; fallacious.
    • illusory Synonyms Deceptive, delusive. See delusion.
    • n illusory An illusion; a cheat.
    • ***
Chambers's Twentieth Century Dictionary
    • adjs Illusory deceiving by false appearances: false
    • ***


Webster's Revised Unabridged Dictionary
Cf. F. illusore,
Chambers's Twentieth Century Dictionary
See Illude.


In literature:

The tale appeared as an illusory dream, as the raving of a sickly imagination.
"Seaport in Virginia" by Gay Montague Moore
I share none of those illusory, Utopian fancies with which empirics blind themselves and exasperate the ignorant.
"The Works of Robert Louis Stevenson - Swanston Edition Vol. 7 (of 25)" by Robert Louis Stevenson
In the playhouses of France, a hammering on the stage alone heralds the rising of the curtain to disclose illusory realms of romance.
"The Bandbox" by Louis Joseph Vance
Its garments, too, glistened so much the brighter with an illusory magnificence.
"The International Monthly, Volume 5, No. 3, March, 1852" by Various
And I found myself recalling Mr. Carville's contemptuous moralizings upon the illusory nature of love.
"Aliens" by William McFee
Such pride as we retain makes it impossible for us to accept an illusory and transient glory.
"The Forerunners" by Romain Rolland
In September Russia withdrew some of the demands she had made in April, but her concessions proved illusory.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2" by Various
He laughed at the miracles of Satan, affirming them to be all illusory.
"La Sorcière: The Witch of the Middle Ages" by Jules Michelet
He did not count, in cherishing this illusory hope, on the strength of human ambition.
"Historic Tales, Vol. 12 (of 15)" by Charles Morris
Georgie's independence had been purely illusory.
"The Return of the Prodigal" by May Sinclair
Let us try to realise how illusory beliefs arise.
"Logic, Inductive and Deductive" by William Minto
The most illusory of all the work that we propose to ourselves is reading.
"The Intellectual Life" by =Philip Gilbert Hamerton
Massachusetts, as I understand her, asks for no false leadership, for no illusory and transient notoriety.
"Reminiscences, 1819-1899" by Julia Ward Howe
What two ages often prove illusory?
"The Handbook of Conundrums" by Edith B. Ordway
But he did not project his own illusory body to the girl's home.
"Astounding Stories, August, 1931" by Various
Spinoza accounts for it neither as illusory nor as real.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4" by Various
The world of sense is unreal, illusory, a mere appearance.
"A Critical History of Greek Philosophy" by W. T. Stace
She rather wanted to show him that any idea he might entertain of a community of tastes was illusory.
"The Nest, The White Pagoda, The Suicide, A Forsaken Temple, Miss Jones and The Masterpiece" by Anne Douglas Sedgwick
After he has escaped from that prison-house, there comes an interval of illusory liberty.
"Victory out of Ruin" by Norman Maclean
But such claims were illusory.
"The History of Cuba, vol. 4" by Willis Fletcher Johnson

In poetry:

But, hampered by my Western mind,
I cannot set the Spirit free
From Matter, but Illusion find,
Of all, the most illusory.
"The Door Of Humility" by Alfred Austin
And I forgot beneath thy spell
Mine was the life within thee grown,
And mine the heart that leapt and fell
Illusory in thy breast of stone.
"The Sphinx" by George Sylvester Viereck
How many souls walk through Maya in pain
How many babes in illusory pain?
How many families hollow eyed lost?
How many grandmothers turning to ghost?
"September On Jessore Road" by Allen Ginsberg
IV. And call the mimic Fancy to thy aid,
With all her frolic, illusory train;
With rosy visions cheer thy vot'rist maid,
With welcome treach'ry steal her bosom's pain.
"Sleep" by Sydney Owenson
VII. For still the world each finer transport chill'd
That stole o'er feeling's nerve or fancy's dream,
And when each pulse to Hope 's warm pressure thrill'd,
Experience chased Hope 's illusory beam.
"The Minstrel Boy" by Sydney Owenson

In news:

In a game of mythology, the Ruth total of 714 homers was a near-illusory benchmark.
Dubai's Illusory Real Estate Rebound.
The illusory budget surpluses in Virginia and Maryland.
London Self-Regulatory System Proves Illusory in Libor Scandal.
Big Costs, Illusory Benefits: Why Congress Should Nix The Utility MACT.
Insurance – Underinsured Motorist Coverage – Illusory Contract.
Illusory Delicacies, vol 1.
A Bit of Good News May Be Illusory .
Mercury made its illusory foray into retrograde a couple of weeks ago.
""And when in the past they tried to stamp out the light of God to instead turn on illusory and mislea...
Dubai's Illusory Real Estate Rebound .
Breastaurants have become a big business in Texas by marketing and selling a male-focused illusory experience.
A value-added test score is a highly complex, yet illusory mathematical prediction of student performance on a future high-stakes test.
Given its origins in chemistry and mechanism, and the illusory magic of its moving images, the cinema not only encourages but virtually demands experimentation with form and content.

In science:

It is this fact that leads to an illusory increase in entropy. (6) is a statement of reversibility according to the second law (taking into account that we take the heat rejected to the colder reservoir as positive in contrast to (2)).
The thermodynamics governing 'endoreversible' engines
Besides showing how to extract cosmology-free dN/dz information from LF’s, a primary ob jective of the paper is to clarify these issues, emphasizing the illusory and ambiguous character of such observational homogeneity and of such purely observational galaxy distributions, in general.
Differential Density Statistics of Galaxy Distribution and the Luminosity Function
Illusory versus genuine control in agentbased games.
How to grow a bubble: A model of myopic adapting agents
The value M ≈ 120 for the RFOFO ring is somewhat illusory as there were no windows in that simulation, nor any space left for beam injection and extraction — the gap shown at the top of the ring in Fig. 4 was filled with a 12th cooling cell.
Muon Cooling and Future Muon Facilities: The Coming Decade
The apparent non-uniqueness in this solution and in others is in fact illusory, as it corresponds to the translation of the time domain T .
Quadratic harnesses from generalized beta integrals
The SD sampling estimate does appear to approach a constant value, but this is likely to be illusory since estimates for different sample sizes are strongly correlated.
Optimum and efficient sampling for variational quantum Monte Carlo
However, with our modifications, the commonly-perceived need for vast numbers of random variates for MCMC simulations may be illusory.
Driving Markov chain Monte Carlo with a dependent random stream
Sornette, Illusory versus genuine control in agent-based games, Eur.
The beneficial role of random strategies in social and financial systems
If we are challenged on the basis of the might say that the need is illusory.
Uncertain Inferences and Uncertain Conclusions
One can verify that the apparent Λ-dependence of m2 E (Λ) is illusory.
On Effective Field Theories at Finite Temperature
Therefore, surface divergences have an illusory character.
The Casimir effect: Recent controversies and progress
The apparent divergence in eq. (3.18) as z → 0 (due to the divergence of the sum) is illusory so long as R is nonzero.
Deviations From Newton's Law in Supersymmetric Large Extra Dimensions
Another interesting idea that has been suggested by our analysis of the measurement problem, and by the distinction between instantaneous and continuous decay is that an instantaneous measurement is nothing else than an idealized, sometimes convenient but illusory, approximation.
Crucial tests of the existence of a Time Operator
The component decomposition of these galaxies in bulge, bar, and disk is dynamically illusory since many stars constantly switch from one “component” to the next and back.
Stellar Dynamics and the 3D Structure of Bars
But, looking closely, the advantages are largely illusory.
Status of precision tests of the Standard Model