- adj1. additional, additory, added, appended, attached, annexed, suffixed, supplemental, codicillary; complementary, accompanying, attendant, accessory, accessorial, concomitant, concurrent; sup-pletory, compensatory, upgrading, boosting.2. auxiliary, adjunct, ancillary, supportive, contributory; subsidiary, subordinate, secondary, incidental;-extra, spare, fresh, new, reserved; further, other, more, another; excess, peripheral, extraneous, outside, adscititious, supervenient, adventitious; unessential, unnecessary, irrelevant.n3. auxiliary, aide, helper, assistant, ancilla, coadjutor, coadjutress, affiliate; subordinate, underling, small fry, Inf. small potatoes, Sl. stooge.4. addition, supplement, supplementation, enlargement, extension, annexation, Rare. annexment, annex, wing; complement, completer, accessory, accompaniment, concomitant, concurrent, attendant, counterpart, corollary, correlative, Astron. comes; appendage, appurtenance, appurtenant, adjunct, appanage, attachment; additive, reinforcement, fortification, fortifier, strengthener.
A Note on the Style of the synonym finder. 2014.