add on - definition, thesaurus and related words from WordNet-Online

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Noun add on has 2 senses

addition, add-on, improver - a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinammon improved the flavor"
--₁ is a kind of component, constituent, element
--₁ has particulars:
additive; afterthought; annex, annexe, extension, wing; attachment; elongation, extension

Derived form: verb add on₁
accessory, appurtenance, supplement, add-on - a supplementary component that improves capability
--₂ is a kind of component, constituent, element
--₂ has particulars:
auto accessory; computer accessory; fitting; fixings, trimmings

Derived form: verb add on₂

Verb add on has 2 senses

add on - make an addition; "Let's add on to this"
--₁ is one way to add

Derived form: noun add-on₁
Sample sentence:
Somebody ----s something
append, add on, supplement, affix - add to the very end; "He appended a glossary to his novel where he used an invented language"
--₂ is one way to attach

Derived form: noun add-on₂
Sample sentences:
Somebody ----s something
Somebody ----s something to somebody