75 entries under extra topic. ×

1
one more(expression, adjective, extraordinary, new, spare)
1
over and above(expression, adjective, idiom, extraordinary, new)
1
special compensation(noun, expression, benefit, prize, advantage)
1
unexpected extra(noun, expression, benefit, prize, advantage)
1
windfall(noun, cheer, object, advantage)
0
affixed(new, added)
0
appended(new, added)
0
fusser(adjective, new, fresh, special)
0
increased(new, added)
0
nonessential
0
on the side(expression, adjective, idiom, new)
0
option(new, added)
0
over-and-above(adjective, added, tipper)
0
padding(new, added)
0
tipper(adjective, new, fresh, special)
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APASmart Define. (2015). perk thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perk/thesaurus/synonyms
ChicagoSmart Define. 2015. "perk thesaurus" https://smartdefine.org/perk/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, perk thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perk/thesaurus/synonyms>.
MLASmart Define. "perk thesaurus" 9 April 2015. Web. 24 September 2026. <https://smartdefine.org/perk/thesaurus/synonyms>