in addition
"computer chess games are getting cheaper all the time; furthermore, their quality is improving"
"the cellar was dark; moreover, mice nested there"
"what is more, there's no sign of a change"
In addition to what has been said; furthermore; additionally.
"The project faced a tight budget, and moreover, we have lost our lead developer to a competitor."
In plain English: Moreover means you are adding another point to what was just said.
"It is raining heavily, and moreover, we have lost our umbrella."
Usage: Use moreover to introduce an additional point that strengthens or supports your previous argument. Place it at the beginning of a sentence or clause, usually followed by a comma, to signal that you are adding further evidence or reasoning.
The word moreover comes directly from Middle English and is simply a combination of the words "more" and "over." It has retained its original meaning throughout history, referring to an additional point or fact in an argument.