impractical
absurd
airy
autistic
chimerical
dereistic
dreamlike
dreamy
fanciful
fantastic
foolhardy
idealistic
impracticable
in the clouds
mad
optimistic
otherworldly
poetic
preposterous
rash
reckless
ridiculous
romancing
romantic
romanticized
starry-eyed
storybook
transcendental
transmundane
unachievable
unpractical
unrealistic
unrealizable
visionary
wild
wish-fulfilling
quixotism
abortive
arduous
chivalric
chivalrous
daunt
headstrong
high-flown
idiotic
inconsiderate
mawkish
melodramatic
philanthropic
pointless
purposeless
risky
self-destructive
soft-headed
suicidal
unstatesmanlike
antibiotic
aquatic
astronautic
chaotic
despotic
erotic
exotic
hypnotic
narcotic
neurotic
patriotic
psychotic
robotic
semiotic
symbiotic
unpatriotic