| extending(verb, continuing, lengthening, extending) |
| perseverance |
| elongating(verb, lengthening, extending) |
| stretching(verb, lengthening, extending) |
| continuing(verb, adjective, increase, line, extension) |
| expanding(verb, lengthening, extending) |
| lengthening(verb, lengthening, extending) |
| protracting(verb, increase, line, extension, persistence) |
| maintaining(verb, increase, line, extension, persistence) |
| prolongation(noun, extension, persistence, continuance) |
| elongation(noun, extension) |
| enlarging(verb, extending) |
| extension(noun, persistence, continuance) |
| perpetuating(verb, increase, line, extension, persistence) |
| persisting(verb, increase, line, extension, persistence) |
| sustaining(verb, increase, line, extension, persistence) |
| continuation(noun, addition, extension, persistence, maintenance) |
| delaying |
| enduring(verb, increase, line, extension, persistence) |
| increasing(verb, increase, line, extension, persistence) |