Difference between Unprepared and Unrehearsed

UNPREPARED vs UNREHEARSED: ADJECTIVE

Not prepared for
Without preparation
In music, specifically of a dissonant tone, not held over from a preceding chord or otherwise prepared; reached by a skip.
Not planned; not worked out in advance; extemporaneous; as, an unprepared speech; unprepared speaking, Not brought into a particular mental state; not trained: as, an unprepared student.
Not brought into a right, safe, or suitable condition in view of a future event, contingency, accident, attack, danger, or the like; not put in order; specifically, not made ready or fit for death or eternity.
Not fitted or made suitable, fit, or ready for future use: as, unprepared provisions.
Not prepared.

Ready, Unwilling, Prepared, Spur of the moment, Off the cuff, Extemporary, Ad lib, Extempore, Offhand, Offhanded, Impromptu, Extemporaneous, Unrehearsed, Unequipped, Unready

Uninhibited, Improvisatory, Improvisational, Impromptu, Spontaneous, Unscripted, Tung, Off the cuff, Extemporary, Ad lib, Offhand, Unprepared, Offhanded, Extempore, Extemporaneous

Ready, Unwilling, Prepared, Spur of the moment, Off the cuff, Extemporary, Ad lib, Extempore, Offhand, Offhanded, Impromptu, Extemporaneous, Unrehearsed, Unequipped, Unready

Uninhibited, Improvisatory, Improvisational, Impromptu, Spontaneous, Unscripted, Tung, Off the cuff, Extemporary, Ad lib, Offhand, Unprepared, Offhanded, Extempore, Extemporaneous

Yet, many are unprepared for this painful reality.
Many brands unprepared to meet mobile customer ex..
You were unprepared, but it is too late.
He told him but the Doc was unprepared.
Some of his instructors arrive unprepared to teach.
But it was utterly unprepared to manage them.
Never go into a homeowners insurance claim unprepared.
Similarly, over half of respondents felt unprepared in terms of unprepared in terms of personnel.
UNPREPARED SURFACE CONSIDERATIONS: Closely monitor touchdown speed when landing to a rough or unprepared surface.
As a result, increasing numbers of unprepared students are entering classes with unprepared teachers.

It includes unrehearsed and spontaneous manipulation of these, often with rhythmic and repetitive elements.
Which left Hird, a legendary player, but unrehearsed as a coach.
The film has an unrehearsed quality, an impromptu feeling.
Interpretation means the unrehearsed transmitting of a spoken or signed message from one language to another.
So remember, your elevator speech should be concise, simple, unrehearsed and delivered with confidence.
The video includes Scorpions banter, jokes, and what seems to be unrehearsed behavior.
Yesterdays features Frank playing unrehearsed solo renditions of his favorite jazz standards.
So the fresh, unvarnished, and unrehearsed reactions come from other places.
We made some live, unrehearsed records and they did pretty well.
Who Will Be Left Standing at These Unrehearsed Debates?