unorganized
adj. B2 Upper Intermediate US //əˈnɔɹɡəˌnaɪzd// un·or·ga·nized
adj. not having a clear plan or system for how things are done. You use this to describe someone who is messy or a group that has no leader.
adj. lacking a systematic plan or structure; not having a formal system of coordination. Often describes individuals who are disorganized or groups without a central authority.
The meeting was a total mess because the team was unorganized.
The protest was initially unorganized, but it eventually grew into a large, coordinated movement with clear demands.
While the initial data collection was chaotic and unorganized, the researchers eventually developed a standardized protocol that allowed for meaningful long-term analysis.