12-letter words that end in ous
- preposterous — completely contrary to nature, reason, or common sense; absurd; senseless; utterly foolish: a preposterous tale.
- presumptuous — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
- primulaceous — belonging to the plant family Primulaceae.
- proditorious — traitorous
- pseudonymous — bearing a false or fictitious name.
- pterocarpous — having winged fruit.
- pyritiferous — having or producing pyrites
- pyroligneous — produced by the distillation of wood.
- quadrumanous — four-handed; having all four feet adapted for use as hands, as monkeys.
- quasi-famous — having a widespread reputation, usually of a favorable nature; renowned; celebrated: a famous writer. Synonyms: famed, notable, illustrious. Antonyms: unknown, obscure.
- querimonious — Complaining; querulous. (from 17th c.).
- radicicolous — living on the roots of plants
- radicivorous — feeding on the roots of plants
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- ramentaceous — resembling or covered with ramenta.
- resiniferous — yielding resin.
- rhizocarpous — having the root perennial but the stem annual, as perennial herbs.
- rhizophagous — feeding on roots.
- rhizophilous — (esp of insects) preferring to live or grow near or on roots
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- salsolaceous — relating to the genus Salsola
- salutiferous — salutary.
- sanguicolous — living in the blood, as a parasite.
- sanguiferous — conveying blood, as a blood vessel.
- sanguivorous — feeding on blood, as a bat or insect.
- santalaceous — of, relating to, or belonging to the Santalaceae, a family of semiparasitic plants of Australia and Malaysia including sandalwood and quandong
- sapindaceous — belonging to the Sapindaceae, the soapberry family of plants.
- saprophagous — (of an organism) feeding on dead or decaying animal matter.
- sarcophagous — carnivorous.
- scatophagous — feeding on dung or excrement
- schizogenous — schizogenetic.
- schizogonous — pertaining to or reproducing by schizogony.
- schizopodous — of or relating to a schizopod
- scitamineous — of or relating to the Scitimanae order of plants, which includes the ginger and banana plants
- scolopaceous — (of birds or other animals) like a snipe, a shore bird with a straight beak
- seleniferous — containing or yielding selenium.
- semi-serious — having some seriousness; partly serious.
- semilustrous — partially or somewhat lustrous
- seminiferous — Anatomy. conveying or containing semen.
- seminivorous — feeding on seeds: seminivorous birds.
- semiprecious — (of a stone) having commercial value as a gem but not classified as precious, as the amethyst or garnet.
- semivitreous — partially vitreous.
- serpentinous — of the nature of serpentine; containing or consisting of serpentine
- silicicolous — thriving in siliceous soil
- siliciferous — containing, combined with, or producing silica.
- simultaneous — existing, occurring, or operating at the same time; concurrent: simultaneous movements; simultaneous translation.
- slaughterous — murderous; destructive.
- smilacaceous — of, relating to, or belonging to the Smilacaceae, a temperate and tropical family of monocotyledonous flowering plants, most of which are climbing shrubs with prickly stems: includes smilax
- soboliferous — bearing or producing soboles
- solitudinous — the state of being or living alone; seclusion: to enjoy one's solitude.