Meaning of tone up | Babel Free
Definitions
-
To cause to give a higher tone or sound; to give a higher tone to; to make more intense; to heighten; to strengthen. intransitive, transitive
-
To firm and strengthen the muscles of the body by regular exercise. intransitive, transitive
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.