phrasal
1. chiefly Brit
a. : not easily deceived
b. : sophisticated , worldly-wise
2. : in good shape or normal condition : up to an accepted standard
looked more up to snuff than he had at any time since he won — G.F.T.Ryall
one child mentally not up to snuff — Andy Logan
if his judgment of red and green lights isn't up to snuff — Frederick Way
if your work wasn't up to snuff … you'd hear about it quick enough — W.H.Whyte