KanjiJLPT N1
Boast / Pride

boast, be proud, pride, triumphantly

Mnemonic

A vagabond stumbles into the tavern, using flowery words to boast about lost empires he once ruled. Nobody believes him, yet his words paint such vivid pictures that the crowd leans in. The vagabond boasts ever louder, drunk on attention, claiming glory he never earned.
Additional thoughts
Picture a ragged drifter gesturing wildly in a crowded tavern, weaving elaborate speech about thrones and conquests. All words, no proof — pure boasting. The vagabond's need to inflate himself makes the connection stick.
Quick recall
A vagabond spins grand words to boast of glory he never earned.

Details

The keyword for 誇 is boast. This kanji conveys the idea of speaking with excessive pride or exaggeration about oneself or one's accomplishments. It encompasses both the positive sense of taking legitimate pride in something and the more negative connotation of bragging or showing off. The character suggests a sense of self-importance that is outwardly expressed, whether justified or inflated.
On'yomi
Kun'yomi
ほこ.る