| continued(adjective, characteristic, time, consumption) |
| continuous(adjective, characteristic, time, consumption) |
| durable(adjective, characteristic, time, consumption) |
| enduring(adjective, characteristic, time, consumption) |
| everlasting(adjective, characteristic, time, consumption) |
| extended(adjective, characteristic, time, consumption) |
| lasting(adjective, characteristic, time, consumption) |
| long-continued(adjective, characteristic, time, consumption) |
| long-duration(adjective, characteristic, time, consumption) |
| long-lasting(adjective, characteristic, time, consumption) |
| long-range(adjective, characteristic, time, consumption) |
| long-run(adjective, characteristic, time, consumption) |
| long-standing(adjective, characteristic, time, consumption) |
| long-sustained(adjective, characteristic, time, consumption) |
| longstanding(adjective, characteristic, time, consumption) |
| longtime(adjective, characteristic, time, consumption) |
| of long continuance(expression, characteristic, time, consumption) |
| of long standing(expression, characteristic, time, consumption) |
| ongoing(adjective, characteristic, time, consumption) |
| sustained(adjective, characteristic, time, consumption) |