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Showing results for addition.
Definitions

addition

[uh-dish-uhn] / əˈdɪʃ ən /
NOUN
process of conjoining, adding
Synonyms
STRONGEST
extension inclusion
STRONG
accession annexation attachment augmentation enlargement
WEAK
adding adjoining affixing increasing
Antonyms
STRONG
decrease
WEAK
deduction lessening loss reduction shrinkage subtraction withdrawal
NOUN
something conjoined to or enlargement of something
Synonyms
STRONGEST
bonus boost enhancement expansion extension supplement
STRONG
accession accessory accretion accrual addendum additive adjunct aggrandizement annex appendage appendix attachment augmentation commission dividend enlargement extra gain hike increase increment markup option profit raise reinforcement rise wing
Antonyms
STRONGEST
decrease
STRONG
decline drop fall lessening loss reduction shrinkage subtraction
WEAK
deduction withdrawal
NOUN
arithmetical process of augmentation
Synonyms
STRONG
accretion computing counting reckoning summation
WEAK
accruing adding enlarging expanding increasing summing tabulating totaling toting
Antonyms
WEAK
decrease deduction lessening loss reduction shrinkage subtraction withdrawal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"This will be a wonderful addition to the Washington D.C. area for all Americans to enjoy for many decades to come!"

From Barron's • Apr. 11, 2026

In addition, Jones has hosted the “NBA Today” studio show and been an anchor and reporter on “SportsCenter.”

From Los Angeles Times • Apr. 10, 2026

"In addition, these materials exhibit astounding quantum properties, such as quantum coherence at room temperature," explains Alpichshev, whose research group studies complex phenomena in advanced materials.

From Science Daily • Apr. 10, 2026

In addition to the marketing changes, industry headwinds could be working in Apple’s favor.

From Barron's • Apr. 10, 2026

In addition, they were used for applying paints and glazes, as portable drinking “cups,” and as padding for helmets.

From "Shipwrecked!" by Martin W. Sandler

Vocabulary lists containing addition

Arithmetic

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List 1

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The Number System

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