The R in REM (5)
I believe the answer is:
rapid
(Other definitions for rapid that I've seen before include "Speedy, quick" , "Zippy" , "Happening quickly" , "Quick or swift" , "haste" .)
I believe the answer is:
rapid
(Other definitions for rapid that I've seen before include "Speedy, quick" , "Zippy" , "Happening quickly" , "Quick or swift" , "haste" .)