Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Help
Help
Help
 
     

on top of

 
See:
top
part of speech: phrase
definition 1: in total control of.
The doctor was on top of the case of the man with a broken arm.
definition 2: completely familiar with.
He is on top of the latest advances in computer technology.
definition 3: in addition to.
We got more homework on top of what we got yesterday.