| termless(adjective, infinite, infinity) |
| uniform(adjective, persistent, continuous, relentless, continual) |
| unvarying(adjective, steady, persistent, constant, continuous) |
| without end(expression, adjective, idiom, constant, abundant) |
| around-the-clock(adjective, continue, continual) |
| connected(adjective, steady, regular, persistent, constant) |
| durable(adjective, permanent, long-term, lifelong, diuturnity) |
| enormous(adjective, open, large, comfortable, huge) |
| immemorial(adjective, infinite) |
| incomprehensible(complete, absolute, unrestrained, indefinite, immense) |
| long-lived(adjective, diuturnity) |
| prolix |
| prolonged(adjective, constant, huge, immense, massive) |
| running |
| stable(adjective, regular, persistent, constant, continuous) |
| titanic(adjective, huge, vast, immense, massive) |
| uncounted |
| universal(complete, absolute, indefinite, overall, infinite) |
| windy(adjective, wordy) |
| abiding(adjective, certain, stable, persistent, constant) |