ON TOP OF


Meaning of ON TOP OF in English

1 a : in control of <acted like a man on top of his job ― Newsweek > b : informed about <tried to keep on top of new developments>

2 : in sudden and unexpected proximity to <the deadline was on top of them>

3 : in addition to

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.