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Synonyms

whilst

American  
[hwahylst, wahylst] / ʰwaɪlst, waɪlst /

conjunction

  1. Chiefly British. while.

whilst British  
/ waɪlst /

conjunction

  1. another word for while while while while while

"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 whilst

First recorded in 1325–75; Middle English whilest, equivalent to whiles + excrescent -t as in amongst, amidst

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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