• Supplement Definition & Synonyms

  1. (v. t.) That which fills up, completes, or makes an addition to, something already organized, arranged, or set apart; specifically, a part added to, or issued as a continuation of, a book or paper, to make good its deficiencies or correct its errors.
  2. (v. t.) To fill up or supply by addition; to add something to.
  3. (v. t.) The number of degrees which, if added to a specified arc, make it 180í; the quantity by which an arc or an angle falls short of 180 degrees, or an arc falls short of a semicircle.
  4. (v. t.) That which supplies a deficiency, or meets a want; a store; a supply.

Accessory, Addendum, Affix, Append, Appurtenance, Postscript, Supplementation,

• Supplementary Definition & Synonyms

  1. (a.) Added to supply what is wanted; additional; being, or serving as, a supplement; as, a supplemental law; a supplementary sheet or volume.

Additional, Auxiliary, Subsidiary, Supplemental,

• Supplementing Definition & Synonyms

  1. (p. pr. & vb. n.) of Supplement