incompetent
Concise Oxford English Dictionary © 2008 Oxford University Press:
incompetent/ɪnˈkɒmpɪtənt/
▶adjective
- 1 not sufficiently skilful to do something successfully.
- 2 Law not qualified to act in a particular capacity.
– derivatives
incompetence noun,
incompetency noun,
incompetently adverb.
incompetence noun,
incompetency noun,
incompetently adverb.
'incompetent' also found in these Oxford entries:

