12-letter words starting with u
- unachievable — to bring to a successful end; carry through; accomplish: The police crackdown on speeders achieved its purpose.
- unacquainted — having personal knowledge as a result of study, experience, etc.; informed (usually followed by with): to be acquainted with law.
- unacquirable — to come into possession or ownership of; get as one's own: to acquire property.
- unactionable — furnishing ground for a lawsuit.
- unadjustable — capable of being adjusted: adjustable seat belts.
- unadmittedly — to give right or means of entrance to: This ticket admits two people.
- unadmonished — not admonished, counselled, or warned
- unadvertised — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- unaffiliated — being in close formal or informal association; related: a letter sent to all affiliated clubs; a radio network and its affiliated local stations.
- unaffordable — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- unaffrighted — to frighten.
- unaggregated — formed by the conjunction or collection of particulars into a whole mass or sum; total; combined: the aggregate amount of indebtedness.
- unaggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- unalleviated — to make easier to endure; lessen; mitigate: to alleviate sorrow; to alleviate pain.
- unalphabetic — in the order of the letters of the alphabet: alphabetical arrangement.
- unambivalent — not ambivalent; definite; certain.
- unanalysable — not able to be analysed or examined
- unanswerable — not capable of being answered; not having a known or discoverable answer: an unanswerable question.
- unapologetic — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- unapparelled — lacking clothing; unattired
- unappealable — not appealable to a higher court, as a cause.
- unappeasable — to bring to a state of peace, quiet, ease, calm, or contentment; pacify; soothe: to appease an angry king.
- unappeasably — in an unappeasable manner
- unappetizing — appealing to or stimulating the appetite; savory.
- unapplausive — not giving applause; not expressing praise
- unapplicable — applying or capable of being applied; relevant; suitable; appropriate: an applicable rule; a solution that is applicable to the problem.
- unapproached — not approached; not able to be approached or neared
- unapprovable — capable of being approved.
- unarticulate — not articulated; not having the use of intelligible language
- unartificial — not showing art or skill; not skilled or artistic
- unartistlike — lacking artistic sensibilities and skills
- unascendable — not able to be ascended or climbed
- unaspiringly — in an unambitious or unaspiring manner
- unassailable — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.
- unassailably — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.
- unassessable — to estimate officially the value of (property, income, etc.) as a basis for taxation.
- unassignable — not able to be transferred
- unassistedly — in an unassisted manner
- unassociated — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- unassumingly — modest; unpretentious.
- unattainable — capable of being attained.
- unattainably — in an unattainable manner
- unattendance — the act of attending.
- unattenuated — to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire.
- unattractive — providing pleasure or delight, especially in appearance or manner; pleasing; charming; alluring: an attractive personality.
- unattributed — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- unauspicious — inauspicious; unfavourable; unlucky
- unauthorized — lacking permission; unsanctioned: unauthorized access.
- unbecomingly — detracting from one's appearance, character, or reputation; unattractive or unseemly: an unbecoming hat; unbecoming language.
- unbefriended — having no friends or companions