| Word | Definitions | Synonyms |
|---|---|---|
| lengthen | (verb) become long or longer | - |
| (verb) make longer | - | |
| restrengthen | (verb) make strong again | - |
| strengthen | (verb) give a healthy elasticity to | Synonyms: tone, tone up |
| (verb) gain strength | - | |
| (verb) make strong or stronger | Synonyms: beef up, fortify |