incompetent

nouns

someone who is not competent to take effective action

adjectives

legally not qualified or sufficient
"a wife is usually considered unqualified to testify against her husband"; "incompetent witnesses"
antonym
not qualified or suited for a purpose
"an incompetent secret service"; "the filming was hopeless incompetent"
is derived from
is derived from
antonym
is similar to
generally incompetent and ineffectual
"feckless attempts to repair the plumbing"; "inept handling of the account"
is similar to
lacking the ability or skill to perform effectively; inadequate
"an ineffective administration"; "inefficient workers"
is similar to
not characteristic of or suitable for a good workman
"an unworkmanlike result"; "an unworkmanlike tool"
see also
not producing desired results; wasteful
"an inefficient campaign against drugs"; "outdated and inefficient design and methods"
see also
not meeting the proper standards and requirements and training
see also
not having or showing or requiring special skill or proficiency
"unskilled in the art of rhetoric"; "an enthusiastic but unskillful mountain climber"; "unskilled labor"; "workers in unskilled occupations are finding fewer and fewer job opportunities"; "unskilled workmanship"
showing lack of skill or aptitude
"a bungling workman"; "did a clumsy job"; "his fumbling attempt to put up a shelf"
is derived from
is derived from
not doing a good job
"incompetent at chess"
is derived from
is derived from
not meeting requirements
"unequal to the demands put upon him"
is derived from