- not operable or practicable.
- Medicine/Medical. not admitting of a surgical operation because the pathological condition is not amenable to cure by surgery or because of undue risk.Compare operable(def 1).
- incapable of being implemented or operated; unworkable
- surgery not suitable for operation without risk, esp (of a malignant tumour) because metastasis has rendered surgery useless
- Unsuitable for a surgical procedure.