Definition of jactance
: 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
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