12-letter words containing a, o, r, i, s
- nonparasitic — Not parasitic.
- nonpasserine — (of a bird) not belonging or relating to the Passeriformes
- nonrealistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- nonresistant — not able, conditioned, or constructed to withstand the effect of something, as a disease, a specific change in temperature, or harsh treatment; susceptible to damage or ill effects.
- nonrestraint — absence or lack of restraint.
- nonsectarian — not affiliated with or limited to a specific religious denomination.
- nonspherical — not spherical
- nonspiritual — Not spiritual.
- nonsteroidal — of or relating to a substance that is not a steroid but has certain similar physiological effects.
- nonstrategic — pertaining to, characterized by, or of the nature of strategy: strategic movements.
- nonuniversal — Not universal.
- nonversation — A meaningless conversation.
- normalities' — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- north island — the northernmost principal island of New Zealand. 44,281 sq. mi. (114,690 sq. km).
- noticeboards — Plural form of noticeboard.
- np-hilarious — (humour) An algorithm whose complexity is a joke, either literally, as in BogoSort, or metaphorically.
- nugatoriness — Quality of being nugatory.
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- observations — Plural form of observation.
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- ochlocracies — Plural form of ochlocracy.
- octastrophic — having or containing eight verses or strophes
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- oilseed rape — Oilseed rape is a plant with yellow flowers which is grown as a crop. Its seeds are crushed to make cooking oil.
- old guardism — political conservatism.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- olfactronics — the measurement and analysis of smells through instruments
- oligospermia — (medicine) Low volume of semen.
- on shipboard — on board a ship
- oncornavirus — any of various RNA viruses that cause tumors in humans and other animals.
- opera singer — a professional singer of opera
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- ophiolatrous — of, relating to, or practising snake-worshipping
- opinionators — Plural form of opinionator.
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- oppressional — Exhibiting or relating to oppression.
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- oral history — information of historical or sociological importance obtained usually by tape-recorded interviews with persons whose experiences and memories are representative or whose lives have been of special significance.
- oral society — a society that has not developed literacy
- orange stick — a slender, rounded stick, originally of orangewood, having tapered ends and used in manicuring, especially to push back the cuticles or clean the fingernails.
- orchidaceous — belonging to the plant family Orchidaceae.
- ordinariness — of no special quality or interest; commonplace; unexceptional: One novel is brilliant, the other is decidedly ordinary; an ordinary person.
- organisation — the act or process of organizing.
- orichalceous — relating to or resembling orichalc
- orientations — Plural form of orientation.
- original sin — Theology. a depravity, or tendency to evil, held to be innate in humankind and transmitted from Adam to all humans in consequence of his sin. inclination to evil, inherent in human nature.
- originations — Plural form of origination.