- tone up as a verb:
- 1
tone up
verb
1 tone up
Give a healthy elasticity to.
synonyms: strengthen, tone.
Moby thesaurus: atone, attune, brighten up, brush up, chord, fix, freshen, furbish, furbish up, polish, polish up, put in tune, renovate, repair, retouch, revive, rub up, shine, spruce, spruce up ... show more.
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