multiply

1 of 3

verb

mul·​ti·​ply ˈməl-tə-ˌplī How to pronounce multiply (audio)
multiplied; multiplying
Synonyms of multiplynext

transitive verb

1
: to increase in number especially greatly or in multiples : augment
2
a
: to find the product of by multiplication
multiply 7 and 8
b
: to use as a multiplicand in multiplication with another number
multiply 7 by 8

intransitive verb

1
a
: to become greater in number : spread
2
: to perform multiplication

multiply

2 of 3

adverb

mul·​ti·​ply ˈməl-tə-plē How to pronounce multiply (audio)
: in a multiple manner : in several ways
multiply talented children

multi-ply

3 of 3

adjective

mul·​ti-ply ˌməl-tē-ˈplī How to pronounce multi-ply (audio)
-ˌtī-
: composed of several plies
Choose the Right Synonym for multiply

increase, enlarge, augment, multiply mean to make or become greater.

increase used intransitively implies progressive growth in size, amount, or intensity

his waistline increased with age

; used transitively it may imply simple not necessarily progressive addition.

increased her landholdings

enlarge implies expansion or extension that makes greater in size or capacity.

enlarged the kitchen

augment implies addition to what is already well grown or well developed.

the inheritance augmented his fortune

multiply implies increase in number by natural generation or by indefinite repetition of a process.

with each attempt the problems multiplied

Examples of multiply in a Sentence

Verb Complaints about the new procedure soon multiplied. Her responsibilities multiplied when she was promoted. Her responsibilities were multiplied by the promotion. The bacteria multiply rapidly in warm, moist conditions. The teacher taught the children how to add, subtract, multiply, and divide.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Two local governments in California have voted to declare a local emergency over the invasive golden mussels that are rapidly multiplying and clogging water pipes. Dinah Voyles Pulver, USA Today, 29 May 2026 Every foot off target is a point added to the score, and every second outside the duration target is multiplied by four and added to the score. Ashley MacKin Solomon, San Diego Union-Tribune, 29 May 2026
Adverb
Decisions are made more quickly, reports are produced more frequently, and outputs multiply. Tomas Chamorro-Premuzic, Forbes.com, 27 May 2026 Within short order, these pests multiply and wreak havoc on both indoor and outdoor plants, including annuals, perennials, edibles, and shrubs. Arricca Elin Sansone, Southern Living, 19 May 2026
Adjective
Pima, Egyptian cotton, linen, and bamboo fabrics are the best materials, and even at lower thread counts can outperform multi-ply blends. Stephanie Osmanski, Better Homes & Gardens, 17 May 2026 They are constructed of multi-ply stainless steel, or stainless steel with aluminum, but do not have a specific nonstick coating. Molly Allen, Southern Living, 12 Aug. 2024 See All Example Sentences for multiply

Word History

Etymology

Verb

Middle English multiplien, from Anglo-French multiplier, from Latin multiplicare, from multiplic-, multiplex multiple

First Known Use

Verb

13th century, in the meaning defined at transitive sense 1

Adverb

1881, in the meaning defined above

Adjective

1926, in the meaning defined above

Time Traveler
The first known use of multiply was in the 13th century

Browse Nearby Words

Cite this Entry

“Multiply.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/multiply. Accessed 2 Jun. 2026.

Kids Definition

multiply

verb
mul·​ti·​ply
ˈməl-tə-ˌplī
multiplied; multiplying
1
a
: to increase in number : make or become more numerous
b
: to produce offspring : breed
rabbits multiply rapidly
2
a
: to use in finding a product by multiplication
multiply 7 and 8
multiply 7 by 8
b
: to perform multiplication
first divide and then multiply

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