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Meaning of heighten up | Babel Free

Verb CEFR B2

Definitions

To become or alter (something) to make it heightened, higher, more powerful or more intense.

intransitive, transitive

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

heightened heightened up heightenest heighteneth heightening heightening up