- an informal shortening of approval: on appro
WordReference Random House Unabridged Dictionary of American English © 2026
ap•pro
(ap′rō),USA pronunciation n. [Brit. Informal.]
- British Terms(of a purchase) approval:on appro.
- appr(oval) + -o 1870–75
Collins Concise English Dictionary © HarperCollins Publishers::
'appro' also found in these entries (note: many are not synonyms or translations):