adscititious
/ædˈsɪtɪtʊs/ or /ˌædˈsɪtɪtʊs/Definitions
1. adjective
added or introduced from outside; extraneous
“The adscititious elements in the narrative detracted from the overall coherence.”
2. noun
something added or introduced from outside
“The adscititious notes added a new dimension to the song.”
3. adverb
in an extraneous or adventitious manner
“The artist worked adscititiously to create a unique piece of art.”