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Another word for weaken

a-z
Verb
  1. To lose strength or power

      1. To be used up or worn down gradually; become smaller or fewer by gradual loss
      2. To pass without being put to use:
      3. To fail to take advantage of or use for profit; lose:
      1. To approach an end:
      2. To decrease gradually in size, number, strength, or intensity:
      3. To become less intense, bright, strong, etc.; grow dim or faint, as a light
      1. To cause to submerge or go beneath the surface
      2. To invest or spend, often without getting a return or adequate value:
      3. To fall or drop to a lower level, especially to go down slowly or in stages:
      1. To exist or continue in miserable or disheartening conditions:
      2. To become downcast or pine away in longing:
      3. To be or become weak or feeble; lose strength or vigor:
      1. To become limp; droop
      2. To hang loose without stiffness; to bend down, as flexible bodies; to be loose, yielding, limp.
      3. To signal with or as with a flag; esp., to signal (the driver of a vehicle) to stop
      1. To give way or be made otherwise useless as a result of excessive strain:
      2. To give such a grade of failure to (a student):
      3. To receive an academic grade below the acceptable minimum in (a course, for example):
      1. (Sports) To swerve from a straight course, especially in the direction of a slice.
      2. To become less distinct; lose color, brilliance, etc.
      3. (Football) To move back from the line of scrimmage. Used of a quarterback.
      1. To make or become worse; lower in quality or value; depreciate
      2. To grow worse; degenerate:
      3. To diminish or impair in quality, character, or value:
      1. To lose former normal or higher qualities
      2. To fall below a normal or desirable state, especially functionally or morally; deteriorate:
      3. To decline or become debased morally, culturally, etc.
      1. To cause to bend or slope downward or aside
      2. To bend, turn, or slope downward or aside
      3. To draw to a gradual close:
  2. To lessen or deplete the nerve, energy, or strength of

    See also:

    strong

  3. To lessen the strength of by or as if by admixture

      1. To give a sheen to the surface of (fabric or metal).
      2. To take on a supply of water, as a ship.
      3. To dilute by adding water to
      1. In a thin manner:
      2. In a thin way
      3. So as to be thin:
      1. To lessen the force, strength, purity, or brilliance of, especially by admixture.
      2. To make thinner or less concentrated by adding a liquid such as water.
      3. To thin down or weaken as by mixing with water or other liquid
      1. To dissolve or break up the fat globules of
      2. To form by penetrating, probing, or digging:
      3. To lessen the strength of; dilute:
      1. (Electronics) To reduce (the amplitude of an electrical signal) with little or no distortion.
      2. To reduce in force, value, amount, or degree; weaken:
      3. To become thin, weak, or fine.
    See also:

    strong

  4. To moderate or change a position or course of action as a result of pressure

    See also:

    strong

Another word for weaken

Verb
  1. To become weaker

  2. To make weaker

    See also:

    decrease

Synonym Study

  • Undermine and sap both suggest a weakening or impairing by subtle or stealthy means authority undermined by rumors, strength sapped by disease
  • Enervate implies a lessening of force, vigor, energy, etc., as through indulgence in luxury enervated by idleness
  • Debilitate suggests a partial or temporary gradual weakening, as by disease or dissipation debilitated by alcoholic excesses
  • Weaken , the most general of these words, implies a lessening of strength, power, soundness, etc. weakened by disease, to weaken an argument