contra-

Medical Prefix
contra-

contra- means against or opposite (from the Latin contra, meaning against).

What does contra- mean?

The prefix contra- means against or opposite. It comes from the Latin word contra. It appears in words describing something that opposes or is on the opposite side. For example, a contraindication is a reason not to use a treatment. It is similar in meaning to the Greek prefix anti- (against).

Example words using contra-

WordMeaning
contraindicationa reason against using a treatment
contralateralon the opposite side
contraceptionthe prevention of pregnancy

Related word parts

anti · sub · trans

Frequently asked questions

What does contra- mean?
The prefix contra- means against or opposite and comes from Latin.
What is a contraindication?
It is a reason not to use a particular treatment, combining contra- (against) with indication.
What does contralateral mean?
It means on the opposite side, combining contra- (opposite) with lateral (side).

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Study reference only — not medical advice. Always consult qualified sources for clinical decisions.