na-adjective, noun
verbosity; wordiness; long-windedness
Describes speech or writing that is unnecessarily long and tedious. Often used in critical or stylistic contexts.
彼の説明は冗漫で、要点がわかりにくい。
His explanation is verbose, making it hard to grasp the main point.
この小説は冗漫な描写が多く、読むのに疲れる。
This novel has many long-winded descriptions and is tiring to read.
Compound of 冗 (redundant, useless) and 漫 (rambling, aimless). The exact historical derivation is uncertain, but the combination conveys excessive, meandering expression.