verb
- Give a healthy elasticity to.
- usage: "Let's tone our muscles"
- synonyms: tone, strengthen
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Tone up. Retrieved September 24, 2026, from http://smartdefine.org/tone_up/definitions/1316618 |
| Chicago | WordNet. 2010. "Tone up" http://smartdefine.org/tone_up/definitions/1316618 (accessed September 24, 2026). |
| Harvard | WordNet 2010, Tone up, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/tone_up/definitions/1316618>. |
| MLA | WordNet. "Tone up" 23 October 2010. Web. 24 September 2026. <http://smartdefine.org/tone_up/definitions/1316618> |