off-the-cuff

UK: /ˌɒfðəˈkʌf/ US: (ôf′ᵺə kuf′, of′-)

WordReference Random House Learner's Dictionary of American English © 2025

ˈoff-the-ˈcuff,  adj. 

1. with little or no preparation;
   impromptu:
   off-the-cuff remarks.

WordReference Random House Unabridged Dictionary of American English © 2025

off-the-cuff  (ôf′ᵺə kuf′, of′-), adj. 

1. with little or no preparation;
   extemporaneous;
   impromptu:
   a speaker with a good off-the-cuff delivery.

• 1940–45