add-on

¹add–on

noun \ˈad-ˌän, -ˌȯn\

Definition of ADD-ON

: something added on: as a : a sum or amount added on b : something (as an accessory or added feature) that enhances the thing it is added to <computer hardware add–ons>

First Known Use of ADD-ON

1941

Related to ADD-ON

Synonyms: accoutrement (or accouterment), adapter (also adaptor), add-on, adjunct, appendage, appliance, attachment, option

Related Words: accompaniment, additive, complement, supplement; auxiliary, subsidiary; amenity, doodad, embroidery, extra, filler, frill, incidental, luxury, nonessential, nonnecessity; appurtenances, bells and whistles, equipment, furnishings, habiliment(s), paraphernalia, trappings; adornment, decoration, embellishment, enhancement, garnish, ornament, trim, trimming

Near Antonyms: essential, necessity, requirement, requisite

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