Longman Dictionary of Contemporary English
Douglas Harper's Etymology Dictionary
Wiktionary
a. Not realistic.
WordNet
adj. not realistic; "unrealistic expectations"; "prices at unrealistic high levels" [ant: realistic]
Usage examples of "unrealistic".
For the same reasons that containment failed, it is unrealistic to imagine that it can be revived.
Personally, Sebastian had always viewed their attitude as more than a little unrealistic, but he was prepared to admit that that could have been his own prejudices talking.
And whether it was unrealistic as a personal philosophy or not, it was definitely one of the things which made them so effective in the diplomatic service, or as analysts and policymakers, capable of standing back from personal, adversarial approaches to policy debates.
He disapproved of them, in a depressingly mild sort of way, yet it was unrealistic to expect more from him.
She had once again shelved her one paltry erotic memory and her unrealistic fantasies.
Those same cynics said that it was an unrealistic commitment, naive and doomed to failure.
Such unrealistic expectations inevitably and invariably lead to disenchantment, disillusionment, bitter disappointment, seething anger, and a sense of humiliation for having been thus deluded, or, rather, self-deceived.
I thought how cozy and unrealistic it was for people to depend on gods and demons to define their roles in life.
I thought that she would think I was weird, or out of touch, or unrealistic and stupid.
But his emotional, unrealistic, involved-with-Emily self insisted that someone, somewhere had to know what happened to Daniel.
Taaffe -- which does not imply that blame for any of the unrealistic or tawdry aspects of the Metaverse should be placed on anyone but me.
As a rule Eddi Amsel, who was well versed in economics, answered prolixly and with facts which made the employment-promoting plan of the Party and Senate seem unrealistic.
The track coach suggested he run between classes, a bit unrealistic in view of all the unshoveled snow on the campus sidewalks.
He sympathized particularly with a fat woman writer of whodunits, whose extremely unrealistic yet amazingly popular Gray Lensman hero had lived through ten full-length novels and twenty million copies.
If one were tempted to use the above negative reasoning for the issue of dinosaur births, one would also have to consider the unrealistic idea of live birth for Mesozoic birds.