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TEAS English & Language UsageMeaning added to the front

PrefixesATI TEAS 7 cheat sheet

Meaning added to the front

15 key facts Reviewed Oct 2026
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Negation

  • un-, in-, im-, dis-, non- — not (unclear, invalid, dislike)
  • a-/an- — without (apnea, anemia)

Number

  • mono-/uni- one
  • bi- two
  • tri- three
  • multi-/poly- many

Position & Time

  • pre- before
  • post- after
  • sub- under
  • inter- between
  • trans- across

Medical

  • hyper- above normal
  • hypo- below normal
  • brady- slow
  • tachy- fast
Key takeaway

Meaning added to the front

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