Synonyms of addition
6 similar words · 6 opposite words
Another word for addition is adding. Other synonyms of addition are inclusion, extra, supplement and annexation. The opposite of addition is reduction.
Synonyms and similar words for addition
nounThe act of adding anything.
- addingAn act of addition.
- annexationAddition or incorporation of something, or territories that have been annexed.
- inclusionAn addition or annex to a group, set, or total.
- infusion
nounAnything that is added.
- extraSomething additional, such as an item above and beyond the ordinary school curriculum, or added to the usual charge on...
nounMore synonyms
- supplementSomething added; especially, such an addition added to make up for a deficiency.
Opposite of addition
nounSomething added to a coat of arms, as a mark of honour.
nounAntonym(s) of “act of adding”.
nounAntonym(s) of.
nounMore antonyms
nounAntonym(s) of “arithmetic operation”.
Meaning of addition
- noun The act of adding anything.
- noun Anything that is added.
- noun The arithmetic operation of adding.
addition in other languages
Questions about synonyms of addition
- What is another word for addition?
- Addition has 6 synonyms on Word.ws, such as adding, inclusion, extra, supplement and annexation.
- What is the opposite of addition?
- The opposite of addition is reduction.
- What does addition mean?
- Addition means the act of adding anything.
Source and license
Adapted from Wiktionary: addition (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this page: “Synonyms of addition.” Word.ws, https://word.ws/synonyms/addition. Based on Wiktionary, CC BY-SA 4.0.