tone up

verb

To cause to give a higher tone or sound; to give a higher tone to; to make more intense; to heighten; to strengthen.

Similar
tonestrengthen
Opposite
tone down
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Meanings

verbtone up (third-person singular simple present tones up, present participle toning up, simple past and past participle toned up)

present singular third person tones up · participle present toning up · participle past toned up · past toned up

  1. intransitivetransitiveTo cause to give a higher tone or sound; to give a higher tone to; to make more intense; to heighten; to strengthen.

    Antonyms: tone down

  2. intransitivetransitiveTo firm and strengthen the muscles of the body by regular exercise.

Synonyms & antonyms

verbTo cause to give a higher tone or sound; to give a higher tone to; to make more intense; to heighten; to strengthen.

Opposite
tone down

More synonyms by meaning

verbgive a healthy elasticity to

Similar
tonestrengthen
Broader
exercisework out
Also see
strengthentone

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Catalan tonificar
  • tonificarto firm and strengthen the body through exercise
Māori whakamārohirohi
  • whakamārohirohito firm and strengthen the body through exercise
Polish wzmacniać, wzmocnić
  • wzmacniaćto firm and strengthen the body through exercise
  • wzmocnićto firm and strengthen the body through exercise
Cite this entry
APA

tone up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tone%20up

MLA

“tone up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tone%20up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tone up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tone%20up.

Source: tone up on Wiktionary, CC BY-SA 4.0.