noun
eloquence; fluent speech
Refers to speaking in a clear, persuasive, and lively manner. Often used in formal or literary contexts.
彼の快弁に聴衆は引き込まれた。
The audience was captivated by his eloquence.
雄弁 also means eloquence but emphasizes powerful, masculine oratory; 快弁 focuses more on the pleasant, lively quality of speech.
Compound of 快 (pleasant, refreshing) and 弁 (speech, dialect). The exact historical derivation is uncertain, but the combination suggests 'pleasant speech'.