WordRel.com

• someone who is not competent to take effective action

  synonym	incompetent person
  hypernym	unskilled person
  hyponym	blundererbotcherbumblerbunglerbutcherfuckupfumblersad sackslouchstumbler

• not qualified or suited for a purpose

  antonym	competent
  derivation	incompetenceincompetency
  also	inefficientunqualifiedunskilled
  exemplifies	depreciationderogationdisparagement
  similar	fecklessineffectiveinefficientineptunworkmanlike

• legally not qualified or sufficient

  synonym	unqualified
  antonym	competent
  domain topic	jurisprudencelaw
  exemplifies	depreciationderogationdisparagement

• not doing a good job

  synonym	unskilled
  derivation	incompetenceincompetency
  exemplifies	depreciationderogationdisparagement
  similar	bad

• not meeting requirements

  synonym	incapableunequal to
  derivation	incompetence
  similar	inadequateunequal

• showing lack of skill or aptitude

  synonym	bunglingclumsyfumbling
  derivation	incompetenceincompetency
  similar	unskilled