unrealistic
/ˌʌnrɪəˈlɪstɪk
/adjective
Not realistic: it was unrealistic to expect changes to be made overnight...
- It can, admittedly, be hard to distinguish between being idealistic and being unrealistic.
- He said it was unrealistic to expect tempers not to flare, given the sporting history between the two schools.
- I suppose good parents strive for perfection, which is unrealistic and unnecessary.
Synonyms
impractical, impracticable, unworkable, unfeasible, non-viable;
unreasonable, irrational, illogical, senseless, silly, improbable, impossible, foolish, fanciful, wild, absurd, delusory, quixotic;
idealistic, utopian, far-fetched, perfectionist, unworldly, romantic, starry-eyed, visionary
informal half-baked, crazy, potty
unlifelike, non-realistic, unreal-looking, non-naturalistic, unnatural, non-representational, unrepresentative, abstract