If you're talking about gathering things:
* Scattered: This is the most direct opposite, meaning things are spread out and not in one place.
* Dispersed: Similar to scattered, meaning spread out over a wide area.
* Lost: Things that are lost are not collected.
* Unorganized: If things are unorganized, they are not collected in a neat or systematic way.
If you're talking about a person's demeanor:
* Distracted: Someone who is distracted is not focused or collected.
* Flustered: This suggests someone is nervous and not in control.
* Uncomposed: Similar to flustered, indicating a lack of composure.
* Uncollected: This is a less common word, but it directly means not collected or composed.
If you're talking about a piece of art or writing:
* Disjointed: This suggests a lack of cohesion or unity.
* Disorganized: Similar to disjointed, indicating a lack of structure.
* Rambling: This describes something that is rambling and lacks a clear direction.
To give you a more precise opposite, please provide some context about how you are using the word "collected."