addition synonyms

addition

n.

  1. The process of adding

    reckoning, computing, totaling, summing up, summation, enlarging, accruing, increasing, expanding, tabulating, counting, accretion, joining, uniting, appending, annexing.

    Antonyms subtraction, reduction*, lessening. *

  2. That which has been added

    interest, raise, additive, adjunct, augmentation, addendum, profit, profits, dividend, dividends, bonus, commission, increment, supplement, gain, insert, accretion, accession, accrual, subordinate part, enhancement, aggrandizement, reinforcement, appendage, appendix, accessory, appurtenance, attachment, extension, increase, annex, affix, appreciation.

    Antonyms loss*, reduction*, shrinkage. *

  3. An architectural extension

    wing, ell, annex, spare room, extension; see also room 2.

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Used by arrangement with John Wiley & Sons, Inc.