Refers to a collection of disparate, often low-quality or random things gathered together. Can be used for physical objects, people, or ideas. Often carries a slightly negative or dismissive tone, implying a lack of coherence or careful selection.
この
チーム
は
寄
せ
集
め
だ
から
、
連
携
が
うまく
いか
ない
。
This team is a mishmash, so coordination doesn't go well.