Letters that make sneak up
s, a, e, k, n, p, u are letters that make 'sneak up'
s, a, e, k, n, p, u are letters that make 'sneak up'
1 possible definitions for 'sneak up'
Under this definition, sneak up is a verb and has the following properties:
creep up has the same meaning as sneak up
'sneak up' can be a type of go on, move on, march on, pass on, progress, advance.