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possibly

American  
[pos-uh-blee] / ˈpɒs ə bli /

adverb

  1. perhaps; maybe.

    It may possibly rain today.

  2. in a possible manner.

    She has all the money she can possibly use.

  3. by any possibility.

    Could you possibly check this information for me?
possibly British  
/ ˈpɒsɪblɪ /

    1. perhaps or maybe

    2. ( as sentence modifier )

      possibly he'll come
"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

adverb

  1. by any chance; at all

    he can't possibly come
"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 possibly

First recorded in 1350–1400; Middle English; possible + -ly

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.