[ round-awf, -of ]
/ ˈraʊndˌɔf, -ˌɒf /
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of or relating to the act or process of rounding.
an act or instance of rounding off decimal or fractional figures.
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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of round-off

First recorded in 1945–50; noun use of verb phrase round off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use round-off in a sentence

British Dictionary definitions for round-off

round off

verb (tr, adverb)
(often foll by with) to bring to a satisfactory conclusion; complete, esp agreeablywe rounded off the evening with a brandy
to make round or less jagged
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

Other Idioms and Phrases with round-off

round off


Change a number to the closest whole number or the closest multiple of 10. For example, Rounding it off, I expect the new school addition will cost a million dollars.


Also, round out. Finish, complete, especially in a neat or perfect way. For example, They rounded off the dinner with a magnificent liqueur, or That stamp rounded out his collection. [Mid-1700s; variant, mid-1800s] Also see round out.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.