Synonyms|47Antonyms|1|Broader|2Narrower|0Related|9
7
surcharge(noun, extra, fee, supplement)
6
supertax
6
impost(noun, charge, tariff)
3
additional tax(expression, idiom)
3
toll(charge, tariff)
2
tax(charge, extra, supplement, tariff)
2
tribute(charge, tariff)
1
additional charge(noun, expression, idiom, extra, supplement)
1
assessment(charge, tariff)
1
duty(charge, tariff)
1
levy(charge, tariff)
1
capitation
1
cess
1
cgt
1
charge
1
conscience money
1
contribution
1
custom(charge, tariff)
1
customs
1
direct tax
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APASmart Define. (2015). surtax thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/surtax/thesaurus/synonyms
ChicagoSmart Define. 2015. "surtax thesaurus" https://smartdefine.org/surtax/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, surtax thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/surtax/thesaurus/synonyms>.
MLASmart Define. "surtax thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/surtax/thesaurus/synonyms>