Main entry: incompetent
Definition: not qualified or suited for a purpose
Usage: an incompetent secret service; the filming was hopeless incompetent
Antonyms: competent
Definition: properly or sufficiently qualified or capable or efficient
Antonyms: effective, effectual, efficacious
Definition: producing or capable of producing an intended result or having a striking effect
Antonyms: efficient
Definition: being effective without wasting time or effort or expense
Main entry: unqualified, incompetent
Definition: legally not qualified or sufficient
Usage: a wife is usually considered unqualified to testify against her husband; incompetent witnesses
Antonyms: competent
Definition: legally qualified or sufficient
Main entry: incompetent, unskilled
Definition: not doing a good job
Usage: incompetent at chess
Definition: that which is pleasing or valuable or useful
Antonyms: good
Definition: having desirable or positive qualities especially those suitable for a thing specified
Main entry: incapable, incompetent, unequal to
Definition: not meeting requirements
Usage: unequal to the demands put upon him
Definition: having the requisite qualities or resources to meet a task
Antonyms: equal
Definition: having the same quantity, value, or measure as another
Main entry: bungling, clumsy, incompetent, fumbling
Definition: showing lack of skill or aptitude
Usage: a bungling workman; did a clumsy job; his fumbling attempt to put up a shelf
Antonyms: skilled
Definition: having or showing or requiring special skill