add-on Synonyms

addition supplement improver appurtenance plug-in append affix accessory added on tailpiece supplementation supplementary supplemental add ornament suffix subsidiary rider preservative postscript peripheral insert throw in add to add-in additions attachments supplements p.s. flavor enhancer supplementary building afterword accessorize build on add-ons applet something added add on to increase include appendage annex ancillary afterthought adorn adjunct additive additional accent addendum added