utopian

adjectives

of or pertaining to or resembling a utopia
"a Utopian novel"
Utopian, utopian
pertains to
utopia
characterized by or aspiring to impracticable perfection
"the dim utopian future"; "utopian idealists"; "recognized the utopian nature of his hopes"
utopian
is derived from
Utopian
is derived from
utopia
antonym
dystopian
is similar to
not practical or realizable; speculative
"airy theories about socioeconomic improvement"; "visionary schemes for getting rich"
Laputan, airy, impractical, visionary, windy
see also
being complete of its kind and without defect or blemish
"a perfect circle"; "a perfect reproduction"; "perfect happiness"; "perfect manners"; "a perfect specimen"; "a perfect day"
perfect