Synonyms of extrinsic

2 Syllables
outward, outer, gained, foreign
3 Syllables
outside, unneeded, exteriors, imported, bracketed, external, extraneous, repugnant, exterior, alien, exotic, acquired
4 Syllables
unrequired, inessential, exoteric, adventitious, superficial, extralocal, nonnative, nonresident, non-resident, exogenous
5 Syllables
unnecessary, unconformable, parenthetical
6 Syllables
extraterritorial, unassimilable