| unconditional | (adjective) not conditional | Synonyms: unconditioned |
|---|
| (adjective) not contingent; not determined or influenced by someone or something else | - |
| (adjective) not modified or restricted by reservations | Synonyms: categoric, categorical, flat |
| unconditioned | (adjective) not established by conditioning or learning | Synonyms: innate, unlearned |
|---|
| (adjective) not conditional | Synonyms: unconditional |
| unconscionable | (adjective) greatly exceeding bounds of reason or moderation | Synonyms: exorbitant, extortionate, outrageous, steep, usurious |
|---|
| (adjective) lacking a conscience | Synonyms: conscienceless |
| unconstitutional | (adjective) not consistent with or according to a constitution; contrary to the U.S. Constitution | - |
|---|
| unconventional | (adjective) not conforming to accepted rules or standards | - |
|---|
| (adjective) not conventional or conformist | - |
| (adjective) not conforming to legality, moral law, or social convention | Synonyms: improper, unlawful |
| undenominational | (adjective) not bound or devoted to the promotion of a particular denomination | - |
|---|
| undermentioned | (adjective) about to be mentioned or specified | Synonyms: following |
|---|
| unemotional | (adjective) unsusceptible to or destitute of or showing no emotion | - |
|---|
| (adjective) cool and formal in manner | Synonyms: restrained, reticent |
| unexceptionable | (adjective) completely acceptable; not open to exception or reproach | Synonyms: unimpeachable |
|---|
| unexceptional | (adjective) not special in any way; lacking distinction | Synonyms: mine run, run-of-the-mill, run-of-the-mine, undistinguished |
|---|
| unfashionable | (adjective) not in accord with or not following current fashion | Synonyms: unstylish |
|---|
| (adjective) unpopular and considered unappealing or unfashionable at the time | Synonyms: out of fashion |
| unfunctional | (adjective) not related to or suitable for everyday needs or activities | - |
|---|
| unidimensional | (adjective) relating to a single dimension or aspect; having no depth or scope | Synonyms: one-dimensional |
|---|
| unidirectional | (adjective) operating or moving or allowing movement in one direction only | - |
|---|
| unimpassioned | (adjective) free from emotional appeal; marked by reasonableness | - |
|---|
| unimpressionable | (adjective) not sensitive or susceptible to impression | - |
|---|
| unintentional | (adjective) done or made or performed with purpose and intent | Synonyms: designed, intentional |
|---|
| (adjective) not done with purpose or intent | Synonyms: unplanned, unwitting |
| union | (adjective) of trade unions | - |
|---|
| unionised | (adjective) not converted into ions | Synonyms: nonionic, nonionised, nonionized, unionized |
|---|
| (adjective) being a member of or formed into a labor union | Synonyms: organised, organized, unionized |
| unionized | (adjective) not converted into ions | Synonyms: nonionic, nonionised, nonionized, unionised |
|---|
| (adjective) being a member of or formed into a labor union | Synonyms: organised, organized, unionised |
| unmentionable | (adjective) unsuitable or forbidden as a topic of conversation | - |
|---|
| unobjectionable | (adjective) (of behavior or especially language) free from objectionable elements; fit for all observers | Synonyms: clean |
|---|
| (adjective) not objectionable | - |
| (adjective) not causing disapproval | Synonyms: innocuous |
| unpartitioned | (adjective) not divided by partitions | - |
|---|
| unprofessional | (adjective) not characteristic of or befitting a profession or one engaged in a profession | - |
|---|
| unquestionable | (adjective) incapable of being questioned | - |
|---|
| (adjective) not counterfeit or copied | Synonyms: authentic, bona fide, veritable |
| (adjective) not open to question | - |
| unquestioned | (adjective) generally agreed upon; not subject to dispute | Synonyms: unchallenged, undisputed |
|---|
| unquestioning | (adjective) being without doubt or reserve | Synonyms: implicit |
|---|
| (adjective) not inclined to ask questions | - |
| unsanctioned | (adjective) without explicit official permission | - |
|---|
| unsensational | (adjective) not of such character as to arouse intense interest, curiosity, or emotional reaction | - |
|---|
| untraditional | (adjective) not conforming to or in accord with tradition | Synonyms: nontraditional |
|---|
| vegetational | (adjective) composed of vegetation or plants | Synonyms: vegetal, vegetative |
|---|
| vermilion | (adjective) of a vivid red to reddish-orange color | Synonyms: Chinese-red, cinnabar, vermillion |
|---|
| vermillion | (adjective) of a vivid red to reddish-orange color | Synonyms: Chinese-red, cinnabar, vermilion |
|---|
| vibrational | (adjective) of or relating to or characterized by vibration | - |
|---|
| vibrionic | (adjective) caused by bacteria of the genus Vibrio | - |
|---|
| visionary | (adjective) not practical or realizable; speculative | Synonyms: airy, impractical, Laputan, windy |
|---|
| vocational | (adjective) of or relating to a vocation or occupation; especially providing or undergoing training in special skills | - |
|---|
| volitional | (adjective) with deliberate intention | - |
|---|
| zillion | (adjective) very large indeterminate number | - |
|---|