| reserved(adjective, tough, firm, fixed, distant) |
| resolved(adjective, firm, determined, usual, regular) |
| rigid(adjective, tough, severe, firm, cruel) |
| rooted(adjective, secure, determined, usual, steady) |
| scheduled(adjective, firm, determined, usual, regular) |
| self-willed(adjective, tough, difficult, wild, determined) |
| set(adjective, secure, severe, harsh, usual) |
| settled(adjective, firm, determined, usual, regular) |
| shut in(verb, expression, adjective, restrained, wrap) |
| shut up(verb, expression, adjective, restrained, captive) |
| solid as a rock(expression, adjective, idiom, determined, usual) |
| specified(adjective, firm, determined, usual, regular) |
| standing pat(expression, adjective, tough, firm, distant) |
| stated(adjective, firm, determined, usual, regular) |
| steadfast(adjective, secure, determined, usual, steady) |
| stiff-necked(adjective, firm, determined, usual, regular) |
| stipulated(adjective, firm, determined, usual, regular) |
| strong-minded(adjective, determined, fixed, impulsive, stubborn) |
| stuffed in(expression, adjective, confined, enclosed, imprisoned) |
| tenacious(adjective, tough, difficult, wild, awkward) |