- not practical; not workable or not given to practical matters; "refloating the ship proved impractical because of the expense"; "he is intelligent but too impractical for commercial work"; "an impractical solution"
- airy: not practical or realizable; speculative; "airy theories about socioeconomic improvement"; "visionary schemes for getting rich"
- (impracticality) concerned with theoretical possibilities rather than actual use
- (Impracticality) That a humanistic education is not readily profitable in ‘real life’ as opposed to a technical (computer science, engineering, etc.) or professional (business, law, medicine, etc.) education.^[citation needed]