- That which remains beyond what is necessary or required; a surplus.
- 1603, John Florio, transl.; Michel de Montaigne, The Essayes, […], printed at London: […] Edward Blount […], OCLC 946730821:, II.12:
- Where some for an over-plus, or supererogation have added this necessaity, that they must necessarily accompany them, as well in death, as in life.
- 1609, William Shakespeare, Sonnet CXXXV:
- Thou hast thy Will, And Will too boote, and Will in ouer-plus.