Synonyms for tone up

Most common

tone · strengthen

All synonyms

Verb

Antonyms

tone down

All antonyms of tone up →

Definitions

1. v. 1

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

Example sentences

• tone Did you pick up on that strange tone in his voice?
• strengthen We must strengthen the ties between our countries.

By length

4 letters

tone¹

10 letters

strengthen²

The small number after each word is its number of syllables (strengthen² = 2 syllables).