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imponderabilia

American  
[im-pon-der-uh-bil-ee-uh, -bil-yuh] / ɪmˌpɒn dər əˈbɪl i ə, -ˈbɪl yə /

plural noun

  1. imponderables; things that cannot be precisely determined, measured, or evaluated.

    the imponderabilia surrounding human life.
imponderabilia British  
/ ɪmˌpɒndərəˈbɪlɪə /

plural noun

  1. imponderables

"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 imponderabilia

First recorded in 1920–25; from New Latin, neuter plural of Medieval Latin imponderābilis imponderable

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.