sharp ‧ ish /ˈʃɑːpɪʃ $ ˈʃɑːr-/ BrE AmE adverb British English spoken
[ Word Family: noun : ↑ sharpener , ↑ sharpness , ↑ sharp ; adverb : ↑ sharp , ↑ sharply , ↑ sharpish ; verb : ↑ sharpen ; adjective : ↑ sharp ]
quickly:
We’d better leave pretty sharpish if we want to catch that bus.