jactance

noun jac·tance \ ˈjaktən(t)s \

variants: or jactancy \-nsē\

Definition of jactance

plural jactances or jactancies

: vainglorious boasting

jactance, vanity, peculation to the ruin of 20 years' labor
—Ezra Pound

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Origin and Etymology of jactance

Middle French & Latin; Middle French jactance, from Latin jactantia, from jactant-, jactans (present participle of jactare to throw, shake, speak out, boast) + -ia -y