i-adjective
long and drawn-out; tediously long
Describes something that feels excessively long or protracted, often with a negative connotation. Similar to 長たらしい but with a stronger sense of weariness.
See also: 長たらしい
彼のスピーチは長々しくて、聴衆は退屈していた。
His speech was long and drawn-out, and the audience was bored.
長々しい説明はやめて、要点だけ言ってください。
Stop the tedious explanation and just give me the main points.