As adverbs the difference between progressively and successively
is that progressively
is in a progressive manner while successively
is in a serial or successive manner; one following another.
In a progressive manner.
As part of a progression.
In a serial or successive manner; one following another.
- December 20, 1787' ''My last to you was of Oct. 8 by the Count de Moustier. Yours of July 18. Sep. 6. & Oct. 24. have been '''successively received, yesterday, the day before & three or four days before that. — Thomas Jefferson,
letter to James Madison.