on top of
prep
High School
1
Atop.
2
Very close to, in any orientation or in time.
3
In addition to something else.
4
Fully informed about, and in control of, something; up to speed with.
Atop.
Very close to, in any orientation or in time.
In addition to something else.
Fully informed about, and in control of, something; up to speed with.