It is past of the verb to convince.
No, the word "convinced" is not an adverb.The word "convinced" is a verb.The adverb form of the word is convincedly.
I was convinced that the man was bluffing
Slowly is not modified by any word in this sentence. But slowly modifies convinced. Slowly is an adverb of manner and it modifies the verb convinced. It tells us in what manner you were convinced.
"We were convinced that it would be to their advantage to join the club"
Persuaded somebody
-con
definite, sure, convinced...
I am not convinced despite your beguiling argument.
assured. try thesaurus.com for more :)
Another word for persuade might include coax or convince or coerce. You could also use wheedle or cajole as a synonym for persuade.
Convinced
convinced, fulfilled, happy, contented, filled, paid