12-letter words containing a, n, t, i, u, o
- undefoliated — having the leaves left intact
- undemocratic — pertaining to or of the nature of democracy or a democracy.
- undercoating — a coat or jacket worn under another.
- undiplomatic — of, relating to, or engaged in diplomacy: diplomatic officials.
- undiscordant — not discordant; not disagreeing or disagreeable
- unfastidious — not fastidious; not fussy; not appropriately concerned with detail or cleanliness
- unfunctional — of or relating to a function or functions: functional difficulties in the administration.
- ungratuitous — given, done, bestowed, or obtained without charge or payment; free; voluntary.
- unhistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- unhospitable — not hospitable
- unifactorial — of or relating to a single gene.
- unifoliolate — compound in structure yet having only one leaflet, as the orange.
- unimportance — a lack of importance
- uninnovative — tending to innovate, or introduce something new or different; characterized by innovation.
- uninoculated — to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance.
- unionization — to form into a union.
- unipotential — Electricity, Electronics. having uniform electric potential throughout, as a hot cathode (unipotential cathode) indirectly heated by a separate heater circuit so that there is no lateral change of voltage across the cathode due to resistance to a heating current.
- unmethodical — characterized by lack of method or disorderliness
- unmotivating — to provide with a motive, or a cause or reason to act; incite; impel.
- unnegotiable — capable of being negotiated: a negotiable salary demand.
- unnegotiated — to deal or bargain with another or others, as in the preparation of a treaty or contract or in preliminaries to a business deal.
- unnoticeable — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unnoticeably — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unobtainable — to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income.
- unoriginated — not originated
- unpassionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- unpatronized — having few or no patrons
- unpoetically — in an unpoetic manner
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unrhetorical — not rhetorical; literal; plainspoken
- unsanctioned — authoritative permission or approval, as for an action.
- unsaturation — not saturated; having the power to dissolve still more of a substance.
- unstationary — standing still; not moving.
- urbanisation — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- urbanization — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- urbanologist — a sociologist specializing in urban life and problems
- urinogenital — genitourinary.
- vesiculation — characterized by or covered with vesicles.
- vituperation — verbal abuse or castigation; violent denunciation or condemnation.
- voluntaryism — voluntarism (def 2).
- walking tour — a tour on which you walk rather than using transport
- washfountain — a large, usually circular wash basin, as in an industrial plant, in which a spray of water activated by foot pedal allows several workers to wash simultaneously.
- wavefunction — (physics) A mathematical function that describes the propagation of the quantum mechanical wave associated with a particle (or system of particles), related to the probability of finding the particle in a particular region of space.