Why More Coffee Doesn’t Always Mean Better—Find Your Sweet Spot - Wholesale Market Hub
Idioms more or less, to some extent; somewhat: We came to more or less the same conclusion. what is more, (used to introduce information that supports the truth of what has been said): This airline is terrible: the planes are always late and what is more, they're hot and uncomfortable.
There’s [plenty] more where that came from! is an idiomatic informal expression often used after an act of aggression, telling whoever you've just attacked that you are able and willing to continue hostilities if the victim doesn't concede defeat (you still have more aggressive capabilities in reserve). In the cited context, "that" refers back to the fact that Iran has lent Assad’s regime ...
What's more is an expression that's used when you want to emphasize that the next action or fact is more or as important as the one mentioned. War doesn't bring peace; what's more, it brings more chaos. Or your example.
Examples of more in a Sentence Adjective I felt more pain after the procedure, not less. The new engine has even more power. You like more sugar in your tea than I do.
More or less means ‘mostly’, ‘nearly’ or ‘approximately’. We use it in mid position (between the subject and main verb, or after the modal verb or first auxiliary verb, or after be as a main verb).
You use more to indicate that there is a greater amount of something than before or than average, or than something else. You can use 'a little', 'a lot ', 'a bit ', ' far ', and 'much' in front of more.