| sticking |
| stiff(adjective, rigid, particular, fussy, formal) |
| straight(adjective, tough, correct, severe, firm) |
| straining |
| strait-laced(adjective, tough, correct, severe, firm) |
| strict(adjective, severe, firm, careful, stern) |
| stringent(adjective, tough, severe, firm, harsh) |
| stuffy(adjective, tough, correct, severe, firm) |
| tentative |
| tidy(adjective, correct, unpolluted, particular, fussy) |
| tight-laced(adjective, precious) |
| timid |
| tough(adjective, severe, firm, harsh, rigid) |
| uncluttered(adjective, correct, tidy, particular, fussy) |
| unpermissive(adjective, tough, severe, firm, harsh) |
| upright(adjective, correct, tidy, particular, fussy) |
| uptight(adjective, tough, severe, firm, harsh) |
| vacillate(verb, disagree, hesitate, waver) |
| very careful(expression, adjective, demanding, meticulous, fussy) |
| well-groomed(adjective, correct, tidy, particular, fussy) |