| 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 | - |
|---|
| unemotional | (adjective) unsusceptible to or destitute of or showing no emotion | - |
|---|
| (adjective) cool and formal in manner | Synonyms: restrained, reticent |
| unexceptional | (adjective) not special in any way; lacking distinction | Synonyms: mine run, run-of-the-mill, run-of-the-mine, undistinguished |
|---|
| 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 | - |
|---|
| unintentional | (adjective) done or made or performed with purpose and intent | Synonyms: designed, intentional |
|---|
| (adjective) not done with purpose or intent | Synonyms: unplanned, unwitting |
| unprofessional | (adjective) not characteristic of or befitting a profession or one engaged in a profession | - |
|---|
| 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 |
|---|
| vibrational | (adjective) of or relating to or characterized by vibration | - |
|---|
| vocational | (adjective) of or relating to a vocation or occupation; especially providing or undergoing training in special skills | - |
|---|
| volitional | (adjective) with deliberate intention | - |
|---|
| zonal | (adjective) associated with or divided into zones | - |
|---|
| (adjective) relating to or of the nature of a zone | Synonyms: zonary |