Not handling practical matters well
Impossible to do or carry out:
That has or have previously been owned by someone else.
not capable of being used
Easy to service
Find another word for unserviceable. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for unserviceable, like: unworkable, impractical, unfunctional, unusable, useless, impracticable, used, unuseable, serviceable, unrepairable and inoperative.