Unrehearsed

In a speech that she remembered as “unscheduled, unrehearsed … and unannounced” at the General Assembly of Jewish Federations and Welfare Funds in Chicago, Golda spoke so compellingly that she raised twice the requested amount.

A different candidate — Bill Clinton, Mr. Trump — might have let fly a ferocious zinger, unrehearsed and unmerciful.

Although the buyer found a certain charm in the presentation, it was unrehearsed and far from polished.

He praised Niall McGinn, whose unrehearsed quick free-kick led to Ferguson’s “special goal” from a tight angle, as “instinctive”.

It was truly impromptu, unrehearsed TV at its best!

Although unrehearsed, and spoken in the particular circumstances of the game, the words echoed to an extent those of German commentator Herbert Zimmermann - "It's over!

Armstrong's unrehearsed citation change of call sign from "Eagle" to "Tranquility Base" emphasized to listeners that landing was complete and successful.