inoperable
Concise Oxford English Dictionary © 2008 Oxford University Press:
inoperable/ɪnˈɒpərəbl/
▶adjective
- 1 Medicine not able to be suitably operated on.
- 2 not able to be used.
- 3 not practical or workable.
– derivatives
inoperability noun,
inoperably adverb.
inoperability noun,
inoperably adverb.
'inoperable' also found in these Oxford entries:

