astounding, super, excellent, terrific, splendid, etc.
good,hahahah,potang ina mo,
Awesome, incredible, amazing are a few.
magnificent
A synonym for "very fast" is quick.
A great synonym of Islam would be peace.
One synonym for the Columbian Exchange is the "Great Exchange."
A 'bargain'.
fresh
Very Surprised.
very bad
There isn't a synonym to the word viola. Violins are very similar, but NOT the same so not a synonym.
A sweltering day.A single synonym for a very hot day would be a scorcher.
A synonym is a word that has an identical or very similar meaning to another word. As freshwaterbiome is not a word it does not have a synonym.
Great circle or circle
great fit