だいたい大体daitai
1.

A term used to refer to the major aspects or general principles of a situation, while excluding minor details. It emphasizes the core elements of a discussion or event.

2.

Describes an approximate degree or number, suggesting a rough estimate rather than precise figures. It conveys a sense of generalization concerning quantities or conditions.

3.

Indicates a return to the fundamental nature or root cause of an issue, often used to trace back to the original context or responsibility of a problem.

Example:

仕事はだいたい終わった。