Prefixes

• A letter or group of letters added to the beginning of a word to make a new word.

Common prefixes

• Mal- = Bad

  Malfunction, maltreatment, malnutrition.

• Inter- = between

  Interaction, inter-change.

• Auto- = self

  Autobiography, automobile.

• Co- = joint

  Co-founder, co-owner.

• Mis- = wrong

  Misunderstanding, misconduct.

• Counter- = against

  Counter-argument, counter-proposal.

• Dis- = the converse of

  Discomfort, dislike.

• Sub- = below

  Subdivision, subset.

Complete the sentence

The engineer reported a malfunction in the aircraft’s system.

We live in an interconnected world.

I met one of the co-founders of the company I work for.

She has a dislike of cold weather.