12-Letter Adjectives Starting With U
Here's the list of all the 382 12-Letter Adjectives Starting With U in the English Language.
The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.
| Common Adjectives (with Definitions and Examples) | |
|---|---|
| unauthorized | 1. not endowed with authority 2. without official authorization More Definitions → |
| unacceptable | 1. not acceptable; not welcome 2. not adequate to give satisfaction More Definitions → |
| unregistered | 1. (a boat or vessel) not furnished with official documents 2. (of animals) not recorded with or certified by an official breed association More Definitions → |
| unbelievable | 1. beyond belief or understanding 2. having a probability too low to inspire belief More Definitions → |
| unclassified | 1. not subject to a security classification 2. not arranged in any specific grouping More Definitions → |
| unreasonable | 1. not reasonable; not showing good judgment 2. beyond normal limits More Definitions → |
| unidentified | 1. not yet identified 2. being or having an unknown or unnamed source More Definitions → |
| unsuccessful | 1. not successful; having failed or having an unfavorable outcome 2. failing to accomplish an intended result More Definitions → |
| unrestricted | 1. free of restrictions on conduct 2. not restricted or exclusive More Definitions → |
| unauthorised | 1. without official authorization 2. not endowed with authority More Definitions → |
| unparalleled | 1. radically distinctive and without equal More Definitions → |
| uncontrolled | 1. not being under control; out of control More Definitions → |
| undocumented | 1. lacking necessary documents (as for e.g. permission to live or work in a country) More Definitions → |
| undetermined | 1. not brought to a conclusion; subject to further thought 2. not yet having been ascertained or determined More Definitions → |
| undiscovered | 1. not discovered 2. not yet discovered More Definitions → |
| unstructured | 1. lacking the system or structure characteristic of living bodies 2. lacking definite structure or organization More Definitions → |
| unrecognized | 1. not recognized 2. not having a secure reputation More Definitions → |
| unsuspecting | 1. not suspicious 2. (often followed by `of') not knowing or expecting; not thinking likely More Definitions → |
| universalist | 1. of or relating to or tending toward universalism More Definitions → |
| unmistakable | 1. clearly evident to the mind 2. clearly revealed to the mind or the senses or judgment More Definitions → |
| unscrupulous | 1. without scruples or principles More Definitions → |
| unsupervised | 1. not supervised or under constant observation More Definitions → |
| undetectable | 1. not easily seen 2. barely able to be perceived More Definitions → |
| unattractive | 1. lacking power to arouse interest 2. not appealing to the senses More Definitions → |
| unimaginable | 1. totally unlikely More Definitions → |
| unresponsive | 1. not responding to some influence or stimulus 2. aloof or indifferent More Definitions → |
| unaffiliated | 1. not affiliated More Definitions → |
| unproductive | 1. not producing desired results 2. not producing or capable of producing More Definitions → |
| unfavourable | 1. not encouraging or approving or pleasing 2. (of winds or weather) tending to hinder or oppose More Definitions → |
| unobstructed | 1. free from impediment or obstruction or hindrance More Definitions → |
| unprofitable | 1. producing little or no profit or gain More Definitions → |
| unrestrained | 1. marked by uncontrolled excitement or emotion 2. not subject to restraint More Definitions → |
| unchallenged | 1. generally agreed upon; not subject to dispute More Definitions → |
| uncorrelated | 1. not varying together More Definitions → |
| unencumbered | 1. not burdened with cares or responsibilities 2. free of encumbrance More Definitions → |
| undemocratic | 1. not in agreement with or according to democratic doctrine or practice or ideals More Definitions → |
| unattainable | 1. impossible to achieve More Definitions → |
| unremarkable | 1. found in the ordinary course of events More Definitions → |
| unmanageable | 1. difficult to solve or alleviate 2. incapable of being controlled or managed More Definitions → |
| unscientific | 1. not consistent with the methods or principles of science More Definitions → |
| uninterested | 1. having no care or interest in knowing 2. not having or showing interest More Definitions → |
| unfathomable | 1. of depth; not capable of being sounded or measured 2. resembling an abyss in depth; so deep as to be unmeasurable More Definitions → |
| unconvincing | 1. having a probability too low to inspire belief 2. not convincing More Definitions → |
| unquestioned | 1. generally agreed upon; not subject to dispute More Definitions → |
| unforgivable | 1. not excusable More Definitions → |
| unchangeable | 1. not changeable or subject to change More Definitions → |
| unobservable | 1. not accessible to direct observation More Definitions → |
| unimpressive | 1. not capable of impressing More Definitions → |
| unsatisfying | 1. not up to expectations More Definitions → |
| unaccustomed | 1. unusual or unfamiliar More Definitions → |
| unrecognised | 1. not having a secure reputation 2. not recognized More Definitions → |
| unflattering | 1. showing or representing unfavorably More Definitions → |
| unapologetic | 1. unwilling to make or express an apology More Definitions → |
| understaffed | 1. inadequate in number of workers or assistants etc. More Definitions → |
| unsurprising | 1. not causing surprise More Definitions → |
| undiminished | 1. not lessened or diminished More Definitions → |
| unassailable | 1. immune to attack; incapable of being tampered with 2. impossible to assail More Definitions → |