broadly vs broadly speaking

broadly and broadly speaking both are adverbs.

Word	Noun	Adjective	Verb	Adverb
broadly	No	No	No	Yes
broadly speaking	No	No	No	Yes

As adverbs, broadly and broadly speaking are synonyms defined as:

broadly and broadly speaking: without regard to specific details or exceptions

Other synonyms of broadly include generally, loosely.

broadly (adverb)	broadly speaking (adverb)
without regard to specific details or exceptions	without regard to specific details or exceptions
in a wide fashion