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Another word for strengthen

a-z
Verb
  1. To become or cause to become tough or strong

    See also:

    strong

  2. To prepare (oneself) for action

  3. To make or become tight or tighter

    See also:

    tighten

  4. To make firmer in a particular conviction or habit

      1. To make firmer; strengthen:
      2. To prove the truth, validity, or authenticity of; verify
      3. To support or establish the certainty or validity of; verify:
      1. To strengthen and secure (a position) with fortifications.
      2. To support; corroborate
      3. To give emotional, moral, or mental strength to; encourage:
      1. To make fixed, settled, or less subject to change:
      2. To rise and become stable. Used of prices.
      3. To become solid, rigid, callous, etc.
    See also:

    strong

Another word for strengthen

Verb