| unable(adjective, inadequate, useless, inept, unskilled) |
| unadapted(inadequate, useless, inept, unable, unskilled) |
| uncalled for(expression, adjective, awkward, insignificant, irregular) |
| uncoordinated(clumsy, inelegant, graceless) |
| uncouth(clumsy, inelegant, graceless) |
| undirected(adjective, awkward, insignificant, irregular, useless) |
| unequipped(inadequate, useless, inept, unable, unskilled) |
| unfitted(inadequate, useless, inept, unable, unskilled) |
| ungainly(clumsy, inelegant, graceless) |
| ungraceful(clumsy, inelegant, graceless) |
| unhandy(inadequate, useless, inept, unable, unskilled) |
| unhelpful(adjective, awkward, insignificant, irregular, useless) |
| uninitiated(inadequate, useless, inept, unable, unskilled) |
| unnecessary(irregular, wanton, vacuous) |
| unplanned(adjective, insignificant, irregular, empty, senseless) |
| unpolished(clumsy, inelegant, graceless) |
| unproficient(inadequate, useless, inept, unable, unskilled) |
| unprofitable(adjective, insignificant, irregular, useless, empty) |
| unpurposed(adjective, awkward, insignificant, irregular, useless) |
| unqualified(adjective, inadequate, useless, inept, unable) |