surplusage noun3 •Matter in pleading which is not necessary or relevant to the case, and may be rejected. •A greater disbursement than the charge of the accountant amounts to.one third-part of the surplusage of the estate of any person dying intetate, hall be distributed to his widow,and the reidue amongt his children by equal portions — 1802 •(no longer used) A surplus; a superabundance.If then thee list my offred grace to vse, / Take what thou please of all this surplusage; / If thee list not, leaue haue thou to refuse […] — 1590 formssurplusages