JOINTLY (adverb) definition and synonyms | Macmillan Dictionary.
What is the adverb form of joint?
adverb. /ˈdʒɔɪntli/ /ˈdʒɔɪntli/ in a way that involves two or more people or groups together.
What the meaning of jointly?
together; in combination or partnership; in common: My brother and I own the farm jointly.