___ up (increase rapidly) (3)
I believe the answer is:
rev
(Other definitions for rev that I've seen before include "vicar?" , "serviceman?" , "Speed up engine (colloq.)" , "Clergy title" , "Reverend (abbr.)" .)
I believe the answer is:
rev
(Other definitions for rev that I've seen before include "vicar?" , "serviceman?" , "Speed up engine (colloq.)" , "Clergy title" , "Reverend (abbr.)" .)