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septic

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septic¹

  • /ˈsep.tɪ̝k/ Australia
  • [ˈsep.tʰɪ̝k] Australia
  • /ˈsɛp.tɪk/ US, UK
  • [ˈsɛp.tʰɪk] US, UK

Where it comes from

From Ancient Greek σηπτικός (sēptikós, “characterized by putridity”), from σηπτός (sēptós), from σήπω (sḗpō).

adjective more septic · most septic · septick

  1. Of or pertaining to sepsis.
  2. Causing sepsis or putrefaction.
  3. Of or pertaining to sewage or the disposal of sewage. septic tank

noun septics · septick

  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 fe
  2. dated A person who has sepsis. Acid-base balance data revealed moderately abnormal metabolic balance for both septics and nonseptics (in either direction) with normal respiratory balance or mild alkalosis.
  3. A septic tank; a system for the disposal of sewage into a septic tank, a septic system. The question is whether there are any spatial differences in how septics impact water quality, and whether these spatial variations should be considered when regulating septic improvement or removal.

septic²

  • /ˈsep.tɪ̝k/ Australia
  • [ˈsep.tʰɪ̝k] Australia
  • /ˈsɛp.tɪk/ US, UK
  • [ˈsɛp.tʰɪk] US, UK

Where it comes from

From Latin septem (“seven”) + -ic.

noun septics

  1. A mathematical object (function, curve, surface, etc.) of degree seven. Enriques states that it is possible to construct a family of septics with a singular curve of degree 7 and genus 4 having a triple point that degenerates to the above configuration[…].

adjective

  1. not comparable Of the seventh degree or order.

septic³

  • /ˈsep.tɪ̝k/ Australia
  • [ˈsep.tʰɪ̝k] Australia
  • /ˈsɛp.tɪk/ US, UK
  • [ˈsɛp.tʰɪk] US, UK

Where it comes from

Short form of Cockney rhyming slang septic tank (“Yank”).

noun septics · Septic

  1. Australia, New Zealand, UK, ethnic, slang, slur An American, a Yank. Typical septic. Can't understand why the rest of the world thinks he's a fuck-knuckle.

Septic⁴

Where it comes from

Short form of Australian rhyming slang septic tank (“Yank”).

noun Septics

  1. Australia, Cockney, New Zealand, UK, alternative, slang Alternative form of septic; an American. Not only didn′t he want to tour he didn′t even want “Septics” (“Septic Tanks,″ meaning Yanks) to buy his records.

Thesaurus

Closest in meaning: septicemic, infective, infected, infectious, purulent, abscessed, festering, pussy, contaminative, putrefactive, putrefacient, putrid, dirty, contaminated, haemorrhagic, treatment

Translations

Every language

adj of or pertaining to sepsis

Españolséptico
Portuguêsséptico, sético
Françaisseptique
Deutschseptisch
Italianosettico
Ελληνικάσηπτικός siptikós

adj causing sepsis

Españolséptico

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Cite this
MLA

"septic." Wiktionary, via Micwyn, micwyn.com/word/septic. Accessed 6 Nov. 2026.

APA

septic. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/septic

Chicago

"septic." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/septic.

BibTeX
@misc{septic_2026,
  title = {septic},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/septic},
  urldate = {2026-11-06}
}