Heighten and Tone up

Heighten verb - To make markedly greater in measure or degree.

Tone up and heighten are semantically related In some cases you can use "Tone up" instead a verb "Heighten".

Nearby Words: height, heightening

Tone up verb - Give a healthy elasticity to.

Heighten and tone up are semantically related in powerful topic. Sometimes you can use "Heighten" instead a verb "Tone up", if it concerns topics such as severe.