| incessant(adjective, characteristic, time, longevity) |
| interminable(adjective, characteristic, time, longevity) |
| largely(adverb, feature, characteristic, description) |
| mainly(adverb, feature, characteristic, description) |
| mostly(adverb, feature, characteristic, description) |
| never-ending(adjective, characteristic, time, longevity) |
| non-stop(adjective, characteristic, time, longevity) |
| notwithstanding(condition, connection, situation, preposition) |
| overall(adverb, feature, characteristic, description) |
| perennial(adjective, characteristic, time, longevity) |
| perpetual(adjective, characteristic, time, longevity) |
| persistent(adjective, characteristic, time, longevity) |
| plain(adverb, feature, characteristic, description) |
| predominantly(adverb, feature, characteristic, description) |
| predominately(adverb, feature, characteristic, description) |
| primarily(adverb, feature, characteristic, description) |
| principally(adverb, feature, characteristic, description) |
| regardless of(condition, connection, situation, preposition) |
| relentless(adjective, characteristic, time, longevity) |
| round-the-clock(adjective, characteristic, time, longevity) |