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Synonyms

rounding

American  
[raun-ding] / ˈraʊn dɪŋ /

adjective

  1. round or nearly round.

  2. of, relating to, or used for making something round.

  3. turning, curving, or circling around.

  4. pertaining to the mathematical process of rounding.

    a rounding error.


noun

  1. the act or process of making something round.

  2. Mathematics.

    1. the process of replacing a number by another number of approximately the same value but having fewer digits.

      To the nearest dollar, the rounding of $27.68 yields $28.

    2. a similar process that specifies one of various rules. Generally, the number is first truncated to one or two digits more than is desired; then the last one or two digits are adjusted in a specified way in order to reflect the magnitude of the original number. In rounding the final digits, 0–4 are simply dropped, 6–9 are dropped after the preceding digit is increased by 1, and 5 is handled in various ways depending on the surrounding digits and the particular convention being followed.

rounding British  
/ ˈraʊndɪŋ /

noun

  1. computing a process in which a number is approximated as the closest number that can be expressed using the number of bits or digits available

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of rounding

First recorded in 1545–55; round 1 + -ing 2, -ing 1


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.

See Examples For:

That was followed by the more sedate Easter Lily EP in April; with Carnaval de Luz rounding off the story.

From BBC ● Sep. 25, 2026

The rounding rules are almost touching in their precision.

From MarketWatch ● Sep. 15, 2026

It’s a nice perk when rounding out a $200-million facility.

From Los Angeles Times ● Aug. 28, 2026

In addition to their Grand Canyon visit, the Duffys swing by Yellowstone National Park, rounding out their looks at two of the most photographed destinations in existence.

From Salon ● Aug. 23, 2026

Boaz jumped, pulling himself awkwardly out of the grave, before rounding on the both of them.

From "Night Owls" by A.R. Vishny

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