noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An additional tax on something that has already been taxed.
2. 2
   an additional tax on certain kinds of income that has already been taxed wordnet
3. 3
   A higher rate of an existing tax.

Synonyms

All synonyms

assessmentcontributiondutyimpositionimpostlevy

Etymology

From super- + tax.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.