Synonyms:
- continualness,
- continuance,
- continuation,
- continuity,
- crescendoing,
- crescent,
- elongation,
- endurance,
- expanding,
- extension,
- growing,
- increasing,
- incremental,
- intensifying,
- lingering,
- maintenance,
- multiplying,
- on the increase,
- perpetuation,
- perseverance,
- persistence,
- procrastination,
- production,
- progress,
- progression,
- proliferating,
- prolongation,
- protraction,
- pursuance,
- repetition,
- run,
- snowballing,
- spreading,
- staying power,
- straight course,
- strain,
- stretch,
- stretching,
- stringing out,
- sustained action,
- sustenance,
- swelling,
- tension,
- tightening,
- uninterrupted course,
- unremittingness,
- waxing,
- way