To disqualify someone is to not allow them to participate, or to make them unfit for participation. Turning eleven would disqualify a person from playing on a soccer team for kids ten and under.

Judges will disqualify a marathon runner if they discover she's actually wearing roller skates, and a baseball player's age may disqualify him from playing on a certain team. Being blind disqualifies people from driving, and a criminal history can disqualify someone from working at a school. Disqualify adds the "do the opposite of" prefix dis- to qualify, which comes from the medieval Latin root qualificare, "to attribute a quality to."

Definitions of disqualify

v make unfit or unsuitable

“Your income disqualifies you”
indispose, unfit
dispose, qualify
make fit or prepared
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v declare unfit

“She was disqualified for the Olympics because she was a professional athlete”
pronounce fit or able
disqualify oneself (as a judge) in a particular case
remove from the bar; expel from the practice of law by official action
Type of:
judge, label, pronounce
pronounce judgment on

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.