Septic

• POS: Adjective, Noun
• HYPHEN: sep=tic

CIDE DICTIONARY

Septic, a. [Septi- + -ic.].

 Of the seventh degree or order.  [1913 Webster]

Septic, a. [L. septicus, Gr. , fr. to make putrid: cf. F. septique.].

 Having power to promote putrefaction.  [1913 Webster]

Septic, n. 

 A substance that promotes putrefaction.  [1913 Webster]

OXFORD DICTIONARY

Septic, adj. contaminated with bacteria from a festering wound etc., putrefying.

Idiom

septic tank a tank in which the organic matter in sewage is disintegrated through bacterial activity.

Derivative

septically adv. septicity n.

Etymology

L septicus f. Gk septikos f. sepo make rotten

THESAURUS

Septic

bad, bad for, cankered, contaminated, diseased, foul, gangrened, gangrenous, harmful, infected, injurious, insalubrious, insanitary, morbid, morbific, mortified, noisome, noxious, pathogenic, pathological, peccant, pestiferous, poisoned, polluted, putrefacient, putrefactive, rotting, saprobic, saprogenic, saprogenous, saprophilous, saprophytic, sphacelated, tainted, ulcerated, ulcerous, unhealthful, unhealthy, unhygienic, unsanitary, unwholesome

ROGET THESAURUS

Septic

Insalubrity

N insalubrity, unhealthiness, nonnaturals, plague spot, malaria, death in the pot, contagion, toxicity, insalubrious, unhealthy, unwholesome, noxious, noisome, morbific, morbiferous, mephitic, septic, azotic, deleterious, pestilent, pestiferous, pestilential, virulent, venomous, envenomed, poisonous, toxic, toxiferous, teratogenic, narcotic, contagious, infectious, catching, taking, epidemic, zymotic, epizootic, innutritious, indigestible, ungenial, uncongenial, deadly.