Definition of "septic" in English

adjective

1. Of or pertaining to sepsis.

2. Causing sepsis or putrefaction.

3. Of or pertaining to sewage or the disposal of sewage.

   • septic tank
   • a septic system

noun

1. A substance that causes sepsis or putrefaction.

   • 1750, John Pringle, Further Experiments on Substances Resisting Putrefaction, in 1809, Charles Hutton, George Shaw, Richard Pearson (editors), The Philosophical Transactions of the Royal Society of London, Volume X: 1750—1755, page 86, But, in the prosecution of this subject, he had met with very few real septics; and found many substances, commonly accounted such, of a quite opposite nature.

2. (medicine, dated) A person who has sepsis.

3. A septic tank; a system for the disposal of sewage into a septic tank, a septic system.

noun

1. (mathematics) A mathematical object (function, curve, surface, etc.) of degree seven.

adjective

1. (mathematics) Of the seventh degree or order.

noun

1. (UK, Australia, New Zealand, rhyming slang, ethnic slur) An American, a Yank.

   • Typical septic. Can't understand why the rest of the world thinks he's a fuck-knuckle.