impractical (adj.)
- abstract
- academic
- airy
- autistic
- awkward
- bulky
- clumsy
- conjectural
- contrary
- crosswise
- cumbersome
- hulking
- hulky
- hypothetic
- ideal
- idealistic
- impracticable
- inconvenient
- ineffective
- ineffectual
- infeasible
- inoperable
- insuperable
- insurmountable
- moot
- nonfunctional
- notional
- otherworldly
- perverse
- poetic
- ponderous
- quixotic
- romantic
- speculative
- starry
- starry-eyed
- theoretical
- transcendental
- transmundane
- unachievable
- unattainable
- unavailing
- undoable
- unfeasible
- unmanageable
- unrealistic
- unrealizable
- unserviceable
- unsurmountable
- unusable
- unwieldy
- unworkable
- useless
- visionary
- wild
