1. lacking a clearly defined structure, organization, or plan
2. not having a rigid framework or set format
Usage: often used in business or educational contexts

Examples

• The meeting was completely unstructured, with no agenda or clear goals.
• She prefers unstructured learning environments where students can explore freely.
• The company adopted a more unstructured approach to project management.
• His unstructured writing style made the essay difficult to follow.
• The children enjoyed the unstructured playtime in the park.
• The interview was unstructured, allowing for natural conversation.
• They wanted an unstructured vacation with no planned activities.