| obstinate(intense, deliberate, determined, resolute, focused) |
| of consequence(expression, adjective, tough, severe, important) |
| operose(adjective, tough, severe, important, significant) |
| out for blood(expression, adjective, idiom, tough, severe) |
| positive(intense, deliberate, determined, resolute, focused) |
| professional(great, heavy) |
| purposeful(adjective, determined, resolute, resolved, focused) |
| purposive(intense, deliberate, determined, resolute, focused) |
| resolute(adjective, intense, deliberate, determined, thoughtful) |
| resolved(adjective, thoughtful, sober, serious, sincere) |
| sedate(adjective, thoughtful, sober, serious, sincere) |
| serious(adjective, great, heavy, important, significant) |
| settled(intense, deliberate, determined, resolute, focused) |
| single-minded(intense, deliberate, determined, resolute, focused) |
| smoking(adjective, tough, severe, important, significant) |
| sobering(adjective, tough, severe, important, significant) |
| solemn(adjective, thoughtful, sober, serious, sincere) |
| somber(adjective, thoughtful, sober, serious, sincere) |
| stable(adjective, thoughtful, sober, serious, sincere) |
| staid(adjective, thoughtful, sober, serious, sincere) |