| levelheaded(adjective, hard, tough, shrewd, stubborn) |
| limited(adjective, restrained, captive, confined, imprisoned) |
| locked(adjective, obstinate, stubborn, willful, fractious) |
| locked up(verb, expression, adjective, restrained, enclose) |
| native |
| normal(adjective, usual, conventional, customary, established) |
| on ice(expression, adjective, determined, restrained, captive) |
| opinionative(adjective, determined, fixed, stubborn, dogmatic) |
| pent(adjective, restrained, captive, confined, imprisoned) |
| persistent(adjective, determined, fixed, stubborn, dogmatic) |
| pig-headed(adjective, determined, impulsive, obstinate, stubborn) |
| placed within |
| quarantined |
| restive(adjective, determined, fixed, stubborn, dogmatic) |
| restrained(adjective, captive, confined, imprisoned, caged) |
| restricted(adjective, restrained, captive, confined, imprisoned) |
| sealed off(expression, enclosed) |
| sealed up(expression, adjective, restrained, captive, confined) |
| shrewd(adjective, hard, tough, sharp, practical) |
| sick(adjective, restrained, captive, confined, imprisoned) |