12-letter words that end in us
- np-hilarious — (humour) An algorithm whose complexity is a joke, either literally, as in BogoSort, or metaphorically.
- obreptitious — having the characteristics of acquiring something by deceitful means
- obstreperous — resisting control or restraint in a difficult manner; unruly.
- ochroleucous — having an off-white colour or a white colour tinted with yellow
- octastichous — relating to a particular coiled distribution of leaves on the stem that is characterized by having eight leaves per coil on the stem
- octopetalous — containing or consisting of eight petals
- octosepalous — having or consisting of eight sepals
- odontomatous — relating to an odontoma
- oleoresinous — pertaining to, characteristic of, or containing oleoresin.
- oligophagous — (especially of insects) eating only a few types of food.
- ombrophilous — (of plants) tolerant of wet conditions
- ombrophobous — (of plants) not able to tolerate wet conditions
- oncornavirus — any of various RNA viruses that cause tumors in humans and other animals.
- ophiolatrous — of, relating to, or practising snake-worshipping
- ophiophagous — eating snakes.
- orchidaceous — belonging to the plant family Orchidaceae.
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- orichalceous — relating to or resembling orichalc
- orthopterous — belonging or pertaining to the Orthoptera, an order of insects, including the cockroaches, mantids, walking sticks, crickets, grasshoppers, and katydids, characterized by leathery forewings, membranous hind wings, and chewing mouthparts.
- orthotropous — Botany. (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity.
- ostentatious — characterized by or given to pretentious or conspicuous show in an attempt to impress others: an ostentatious dresser.
- out of focus — blurred, indistinct
- over-anxious — excessively anxious.
- over-jealous — feeling resentment against someone because of that person's rivalry, success, or advantages (often followed by of): He was jealous of his rich brother.
- overcautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- overgenerous — liberal in giving or sharing; unselfish: a generous patron of the arts; a generous gift.
- pachycarpous — having a thick pericarp
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- paludicolous — inhabiting marshland
- pandanaceous — of, relating to, or belonging to the Pandanaceae, an Old World tropical family of monocotyledonous plants including the screw pines
- pantophagous — characterized by pantophagy
- paragnathous — (of certain vertebrates) having the upper and lower jaws of equal length
- paranthropus — (sometimes initial capital letter) a member of the former genus Paranthropus.
- parsimonious — characterized by or showing parsimony; frugal or stingy.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- pearl primus — Pearl, 1919–1994, U.S. dancer, born in Trinidad.
- peloponnesus — a peninsula forming the S part of Greece: seat of the early Mycenaean civilization and the powerful city-states of Argos, Sparta, etc. 8356 sq. mi. (21,640 sq. km).
- percutaneous — administered, removed, or absorbed by way of the skin, as an injection, needle biopsy, or transdermal drug.
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- pervicacious — extremely willful; obstinate; stubborn.
- petaliferous — bearing or having petals.
- philadelphus — (Philadelphus) king of Pergamum c159–138 b.c.
- photophilous — of or relating to an organism, as a plant, that is receptive to, seeks, or thrives in light.
- physostomous — having the mouth and air bladder connected by an air duct.
- phytophagous — herbivorous.
- picornavirus — any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
- platanaceous — relating to the family Platanaceae
- plecopterous — relating to the order Plecoptera or stoneflies
- pleomorphous — characterized by pleomorphism