| tireless(adjective, steady, stable, reserved) |
| tolerable(adjective, steady, stable, reserved) |
| tough-minded(adjective, stable, stability, constantly) |
| tried(adjective, steady, stable, cvonstant) |
| tried-and-true(adjective, steady, stable, cvonstant) |
| true(adjective, steady, stable, cvonstant) |
| trustworthy(adjective, steady, stable, cvonstant) |
| unarbitrary(adjective, steady, stable, reserved) |
| unbending(adjective, stable, stability, constantly) |
| unchangeable uncompromising(adjective, stable, stability, constantly) |
| undemonstrative(adjective, person, temper, stability) |
| unfailing(adjective, steady, stable, reserved) |
| unflagging(adjective, steady, stable, reserved) |
| unfluctuating(adjective, temper, fixed, stability) |
| unpretending(adjective, easy, shy, unfussy) |
| unpretentious(adjective, person, easy, plant, shy) |
| unrelenting(adjective, stable, stability, constantly) |
| unshakable(adjective, steady, stable, reserved) |
| unswerving(adjective, constant, stability, unchanged) |
| untiring(adjective, steady, stable, reserved) |