Unscripted (adjective)

1. Not written in advance, spontaneous.
2. Not following a pre-written script or plan.

Origin:

From the latin word 'inscriptus' meaning 'not written'.

Examples:

1. The unscripted conversation flowed naturally.
2. The unscripted performance was filled with surprises.
3. The unscripted interview allowed for a more personal experience.
4. The unscripted talk show relied on improvisation.
5. The unscripted moments made the film feel more authentic.