impracticable
Concise Oxford English Dictionary © 2008 Oxford University Press:
impracticable/ɪmˈpraktɪkəbl/
▶adjective impossible in practice to do or carry out.
– derivatives
impracticability noun,
impracticably adverb.
impracticability noun,
impracticably adverb.
usage: Although similar in meaning, impracticable and impractical are not used in exactly the same way. Impracticable means ‘impossible to carry out’, as in the proposals would be impracticable for most small companies, whereas impractical tends to be used to mean ‘not sensible’, as in impractical high heels.
'impracticable' also found in these Oxford entries:
