9-letter words containing t, i, o, u
- night out — evening or nighttime social outing
- nitronium — (inorganic chemistry) The univalent cation NO2+ derived from nitrogen dioxide.
- noctiluca — a dinoflagellate of the genus Noctiluca, capable of producing light and, in groups, of causing a luminous appearance of the sea.
- nonvirtue — moral excellence; goodness; righteousness.
- notorious — widely and unfavorably known: a notorious gambler. Synonyms: infamous, egregious, outrageous, arrant, flagrant, disreputable.
- nougatine — a chocolate-coated nougat.
- noughties — The decade from 2000 to 2009.
- nouriture — Obsolete form of nurture.
- nouthetic — Being or relating to a form of Evangelical Protestant pastoral counseling based upon the Bible and focused on Christ.
- nunnation — the doubling, in writing, of the final vowel symbol to indicate the addition, in speech, of the indefinite suffix n to certain nouns.
- nutrition — the act or process of nourishing or of being nourished.
- obduction — (obsolete) The act of drawing or laying over, as a covering.
- obliquity — the state of being oblique.
- obscurity — the state or quality of being obscure.
- obtruding — Present participle of obtrude.
- obtrusion — the act of obtruding.
- obtrusive — having or showing a disposition to obtrude, as by imposing oneself or one's opinions on others.
- obtunding — Present participle of obtund.
- obtundity — the state of having the senses numbed or less sharp
- occultism — belief in the existence of secret, mysterious, or supernatural agencies.
- occultist — belief in the existence of secret, mysterious, or supernatural agencies.
- octupling — Present participle of octuple.
- ocularist — a person who makes artificial eyes
- olinguito — a small omnivorous South American procyonid mammal, Bassaricyon neblina, inhabiting the mountain forests of Colombia and Ecuador: the most recent mammal to be discovered and the smallest member of family Procyonidae (the raccoons)
- orbituary — Orbital.
- ortanique — A citrus fruit that is a cross between an orange and a tangerine, developed in Jamaica in the 1920s.
- osmoticum — (biology) Any substance that acts to supplement osmotic pressure in a plant or a culture of plant cells.
- otoconium — (anatomy) An otolith or statolith.
- oubliette — a secret dungeon with an opening only in the ceiling, as in certain old castles.
- oughtlins — in the least; to the least degree.
- out of it — away from, or not in, the normal or usual place, position, state, etc.: out of alphabetical order; to go out to dinner.
- out to it — asleep or unconscious, esp because drunk
- out-going — going out; departing: outgoing trains.
- out-pupil — a student sent to a different school than the one he or she would normally attend
- out-voice — the sound or sounds uttered through the mouth of living creatures, especially of human beings in speaking, shouting, singing, etc.
- outbidder — a person who outbids
- outcoming — That comes out.
- outcrying — Present participle of outcry.
- outdating — Present participle of outdate.
- outdesign — to exceed in designing
- outdrinks — Plural form of outdrink.
- outdrives — Third-person singular simple present indicative form of outdrive.
- outfields — Plural form of outfield.
- outfitted — an assemblage of articles that equip a person for a particular task, role, trade, etc.: an explorer's outfit.
- outfitter — an assemblage of articles that equip a person for a particular task, role, trade, etc.: an explorer's outfit.
- outflying — Present participle of outfly.
- outfoxing — Present participle of outfox.
- outgiving — friendly or responsive; outgoing.
- outgoings — going out; departing: outgoing trains.
- outlawing — Present participle of outlaw.