| Answer | Crossword Clue |
|---|---|
| strenuousness | STRENUOUS, requiring great exertion |
| strenuously | STRENUOUS, requiring great exertion |
| strenuousnesses | STRENUOUSNESS, STRENUOUS, requiring great exertion |
| strenuous | requiring great exertion |
| ELBOWGREASE | Strenuous exertion |
| efforts | Strenuous physical or mental exertion |
| overexert | Engage in too much or too strenuous exertion |
| overexerts | Engage in too much or too strenuous exertion |
| overexerted | Engage in too much or too strenuous exertion |
| overexerting | Engage in too much or too strenuous exertion |
