Prefixes

A prefix is a fixed piece of meaning fastened to the front of a word. Learn thatun- reverses and dis- undoes, and words you have never seen start giving themselves away. These 10 prefixes account for 149 words in our list.

• ab-7 words

  away from, off

  Latin

• con-18 words

  with, together

  Latin

• de-15 words

  down, away, removal

  Latin

• dis-25 words

  apart, not, reversal

  Latin

• ex-5 words

  out of, former

  Latin

• pre-11 words

  before

  Latin

• pro-10 words

  forward, in favour of

  Latin

• re-30 words

  back, again

  Latin

• sub-6 words

  under, below

  Latin

• un-22 words

  not, reversal

  English