| Perfect but unlikely to become a reality |
IDEAL |
| Prohibited by social custom |
TABOO |
| Relating to hearing |
AURAL |
| Seldom, not often |
RARELY |
| Shut |
CLOSED |
| Sketchy summaries of the main points |
OUTLINES |
| Small weights |
OUNCES |
| Sound |
NOISE |
| Soundless |
SILENT |
| Subsist on a meagre allowance |
SCRIMP |
| Swiss cheese with holes |
EMMENTHAL |
| The stabling and care of horses |
LIVERY |
| The state of being alone |
SOLITUDE |
| Trade without using money |
BARTER |
| Universal health body |
WHO |
| Unjust, inequitable |
UNFAIR |
| Without warning, unexpectedly |
SUDDENLY |
| Writer of Huckleberry Finn |
MARKTWAIN |