temerity

[ tuh-mer-i-tee ]
/ təˈmɛr ɪ ti /

noun

reckless boldness; rashness.

Origin of temerity

1400–50; late Middle English temeryte < Latin temeritās hap, chance, rashness, equivalent to temer(e) by chance, rashly + -itās -ity
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British Dictionary definitions for temerity

temerity

/ (tɪˈmɛrɪtɪ) /

noun

rashness or boldness

Derived Forms

temerarious (ˌtɛməˈrɛərɪəs), adjective

Word Origin for temerity

C15: from Latin temeritās accident, from temere at random
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