12-letter words containing a, n, o, u
- ungraciously — in an ungracious manner
- ungratuitous — given, done, bestowed, or obtained without charge or payment; free; voluntary.
- unhandsomely — unattractively
- unharmonious — marked by agreement in feeling, attitude, or action: a harmonious group.
- unharmonized — to bring into harmony, accord, or agreement: to harmonize one's views with the new situation.
- unheroically — in an unheroic manner
- 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.
- unimolecular — of or involving only one molecular entity
- 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.
- unironically — pertaining to, of the nature of, exhibiting, or characterized by irony or mockery: an ironical compliment; an ironical smile.
- unloquacious — talking or tending to talk much or freely; talkative; chattering; babbling; garrulous: a loquacious dinner guest.
- unmethodical — characterized by lack of method or disorderliness
- unmiraculous — not caused by a miracle
- unmodifiable — incapable of being modified
- unmoralising — not moralising
- unmoralizing — not moralizing
- 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.
- unnormalized — to make normal.
- 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.
- unobfuscated — to confuse, bewilder, or stupefy.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unobservable — incapable of observation; imperceptible
- unobservance — a failure to comply or observe (a law, custom, etc)
- 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.
- unoffendable — to err in conduct; commit a sin, crime, or fault.
- unoriginated — not originated
- unornamental — not decorative
- unornamented — not decorated; unadorned
- unoxygenated — not enriched with oxygen
- unpardonable — kind indulgence, as in forgiveness of an offense or discourtesy or in tolerance of a distraction or inconvenience: I beg your pardon, but which way is Spruce Street?
- unpardonably — in a manner that is not excusable; disgracefully
- unpassionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- unpatronized — having few or no patrons
- unpavilioned — not provided with a pavilion
- unperforated — pierced with a hole or holes: Punch out along the perforated line.
- unpersonable — of pleasing personal appearance; handsome or comely; attractive.
- unpoetically — in an unpoetic manner
- unpolishable — incapable of being made smooth or shiny
- unprocedural — not procedural, not following proper procedures
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.