| unrest |
a state of dissatisfaction, disturbance, or turmoil, esp. social or political. |
| unruly |
not submitting readily to rule or restriction; difficult or impossible to control; wild. |
| unsatisfactory |
not of a high enough quality to meet a certain standard or to fulfill a certain need or desire. |
| unseen |
not seen, observed, or discovered; invisible; unnoticed. [2 definitions] |
| unsettled |
not firmly situated in one place. [6 definitions] |
| unsightly |
unpleasant or disagreeable to look at; unattractive; ugly. |
| unstable |
likely to change suddenly; fluctuating. [5 definitions] |
| unsteady |
not stable or secure; not firm. [4 definitions] |
| unsuitable |
not appropriate or fitting; unbecoming. |
| unsure |
uncertain; having doubt; lacking confidence. [2 definitions] |
| untangle |
to free from a tangled or snarled condition; disentangle. [2 definitions] |
| untie |
to free from being tied or bound. [4 definitions] |
| until |
up to the time when. [5 definitions] |
| untrue |
factually inaccurate or incorrect; false. [3 definitions] |
| unusual |
not usual or ordinary; uncommon; remarkable. |
| unwell |
in poor health; sick; ill. |
| unwind |
to undo from a wound or twisted state; uncoil; untwist. [4 definitions] |
| up |
to, toward, at, or in a higher place or position. [34 definitions] |
| up- |
upward; up. |
| upbringing |
the training and rearing of a child or children. |
| update |
to provide (someone) with new or current information; bring up to date. [4 definitions] |