| stipulation(noun, control, check, limit, condition) |
| stoppage(noun, difficulty, obstacle, obstruction, impediment) |
| stricture(noun, control, check, limit, condition) |
| string(noun, control, check, limit, condition) |
| stumbling block(noun, expression, control, check, difficulty) |
| task(noun, trouble, concern, strain, responsibility) |
| tax(noun, trouble, concern, strain, responsibility) |
| thankless(noun, adjective, disagreeable, lousy, unwelcome) |
| trammel(noun, difficulty, obstacle, obstruction, impediment) |
| trial(noun, trouble, concern, strain, weight) |
| unacceptable(noun, adjective, disagreeable, lousy, unwelcome) |
| unasked(noun, adjective, disagreeable, lousy, unwelcome) |
| undesirable(noun, adjective, unpleasant, disagreeable, lousy) |
| undesirables(noun, unwelcome, repellent, ungraciousness, inhospitality) |
| undesired(adjective, disagreeable, lousy, unwelcome, bootlegged) |
| ungraciousness(noun, disagreeable, lousy, unwelcome, repellent) |
| uninvited(noun, adjective, disagreeable, lousy, unwelcome) |
| unpleasant(noun, adjective, disagreeable, lousy, annoying) |
| unpopular(noun, adjective, disagreeable, lousy, unwelcome) |
| unreceptiveness(noun, lousy, unwelcome, repellent, undesirable) |