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assertion

[ uh-sur-shuhn ]
/ əˈsɜr ʃən /
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noun
a positive statement or declaration, often without support or reason: a mere assertion; an unwarranted assertion.
an act of asserting.
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Origin of assertion

1375–1425; late Middle English assercion<Latin assertiōn- (stem of assertiō). See assert, -ion

OTHER WORDS FROM assertion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use assertion in a sentence

British Dictionary definitions for assertion

assertion
/ (əˈsɜːʃən) /

noun
a positive statement, usually made without an attempt at furnishing evidence
the act of asserting
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
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