Vocabulary Building / Evidence and Argument

Words for Supporting and Weakening a Claim

Part of the full libraryOpens January 2, 2027 · $97 for a year
What’s included
Thomas MeliSAT instructor
claimA statement an author wants you to accept as true. It needs support to be convincing.

You’ll leave with these skills

  1. Undermine a claim to make it weaker
  2. Call a claim corroborated when a second, separate source agrees
  3. Separate refuting a claim from weakening it or doubting its source
  4. Read undermine in an evidence question as a request for a finding that weakens the claim

This lesson is part of the full library

202 lessons that teach every skill the SAT tests
  • 66Math
  • 40Reading
  • 24Grammar
  • 10 full-length practice tests to build test-day stamina and confidence
  • A Desmos simulator to solve math questions faster
  • A step-by-step guide to every practice test question
  • The Bluebook Simulator, so test day feels familiar
  • A drawing for every key term, so new ideas make sense at a glance

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