(ש"ע) תוסף; תוספת; מוסף

(פ') להוסיף

n. something which makes up for a deficiency; addition, extra added part

v. complement, make up for a deficiency; add on to, add as a supplement

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Noun
1. textual matter that is added onto a publication; usually at the end
(synonym) addendum, postscript
(hypernym) matter
(hyponym) appendix
(part-holonym) back matter, end matter
(derivation) append, add on, affix
2. a quantity added (e.g. to make up for a deficiency)
(synonym) supplementation
(hypernym) increase, increment
3. a supplementary component that improves capability
(synonym) accessory, appurtenance, add-on
(hypernym) component, constituent, element
(hyponym) auto accessory

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Verb
1. add as a supplement to what seems insufficient; "supplement your diet"
(hypernym) add
(hyponym) vitaminize, vitaminise
(entail) supply, provide, render, furnish
(derivation) accessory, appurtenance, add-on
2. serve as a supplement to; "Vitamins supplemented his meager diet"
(hypernym) constitute, represent, make up, comprise, be
(derivation) supplementation
3. add to the very end; "He appended a glossary to his novel where he used an invented language"
(synonym) append, add on, affix
(hypernym) attach
(hyponym) annex
(derivation) addendum, postscript

n. supplement, addition, appendix, extension

nm. supplement, addition