on top of that
On top of that (phrase) means used to add a further fact to what has already been said, usually one that makes the situation more extreme. It most often introduces an additional problem or an additional cost. Example: “The flight was delayed six hours, and on top of that they lost my bag.”
How to Use On top of that
Learner’s notesIn plain EnglishAnd there's more, as well as everything already mentioned.
Informal to neutral. Usually sits at the start of a clause with a comma after it.
Do not confuse it with 'on top of' meaning in control of something: she is on top of her workload.
Fill the Gap
Can you complete this real example?
The flight was delayed six hours, and _____ they lost my bag.
Synonyms
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Frequently Asked Questions
What is the difference between on top of that and on top of it all?
They add information in the same way, but on top of it all sums up a whole pile of previous complaints and is nearly always negative. On top of that adds a single further item and can be neutral or even positive.
Is on top of that formal enough for essays?
It is conversational. In formal writing prefer in addition, moreover or furthermore; keep on top of that for speech, emails and informal prose.