Answer: brag

AnswerCrossword Clue
BRAGBoast about one's accomplishments
BRAGImprove oneself, in a way
bragto boast
bragto boast (to brag) / first-rate
BRAGSpeak for oneself?
BRAGEngage in rodomontade
BRAGBlow hard?
BRAGCrow relative?
BRAGBlow one.s horn
BRAGSpeak arrogantly
BRAGRodomontade
BRAGFlatter oneself
BRAGTalk glowingly about one's children, e.g.
BRAGTalk boastfully
BRAGWhat cockalorums do
BRAGEmulate Thraso
BRAGOverstate one's case
BRAGWhat 105-Acrosses do
BRAGImprove oneself in a way,
BRAGExhibit some immodesty
BRAGCrow.
BRAGTalk conceitedly.
BRAGBoast.
BRAGVaunt.
BRAGIndulge in big talk.
BRAGTheodore Hook's novel, "Jack ...."
BRAGBe thrasonical.
BRAGCrow in triumph.
BRAGTalk big.
BRAGBoaster.
BRAGGasconade
BRAGShow off.
BRAGBluster.
BRAGSwagger.
BRAGToot one's own horn.
BRAGShow off, vocally.
BRAGBoaster
BRAG"Nothing to ... about"
BRAGBe immodest
BRAGSound off