| certain(adjective, firm, solid, stable, fixed) |
| changeless(adjective, smooth, right, firm, solid) |
| continuous(adjective, calm, direct, smooth, right) |
| fixed(adjective, dull, strong, secure, firm) |
| immobile(adjective, strong, secure, still, substantial) |
| planate(adjective, calm, direct, smooth, right) |
| resolute(adjective, calm, strong, secure, firm) |
| set(adjective, calm, strong, secure, firm) |
| smooth(adjective, calm, direct, right, flat) |
| straight(adjective, calm, direct, smooth, right) |
| unbroken(adjective, calm, direct, smooth, right) |
| unchangeable(adjective, calm, strong, secure, firm) |
| uninterrupted(adjective, calm, direct, smooth, right) |
| unwavering(adjective, calm, strong, direct, secure) |
| abiding(adjective, calm, strong, secure, firm) |
| akin(adjective, calm, smooth, flat, plain) |
| aligned(adjective, calm, smooth, flat, plain) |
| alike(adjective, calm, direct, smooth, right) |
| anchored(adjective, calm, strong, secure, solid) |
| at a standstill(expression, adjective, idiom, still, passive) |