164 entries under adjective topic. ×

1
supererogative(free, wild, wanton)
1
supererogatory(free, wild, excessive, irrational)
1
surplus(unreasonable, extravagant, excessive, irrational)
1
time-wasting
1
towering(unreasonable, extravagant, ridiculous, excessive)
1
unconscionable(unreasonable, extravagant, ridiculous, excessive)
1
unconstrained
1
uncurbed(unreasonable, extravagant, excessive, irrational)
1
undue(unreasonable, extravagant, ridiculous, excessive)
1
unprofitable
1
unstinging(grand, extravagant, generous, abundant)
1
untempered(unreasonable, extravagant, excessive, irrational)
1
unwarranted(unreasonable, extravagant, ridiculous, excessive)
1
up to here(expression, idiom, unreasonable, extravagant)
1
vain
0
Sisyphean
0
absonant(unreasonable, extravagant, ridiculous, excessive)
0
absurd(excessive, expensive, steep, high-priced)
0
at a premium(expression, idiom, expensive, steep)
0
big-ticket(expensive, steep, high-priced, costly)
10 years ago|9.4k views|share |citing 
APASmart Define. (2016). wasteful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/wasteful/thesaurus/synonyms
ChicagoSmart Define. 2016. "wasteful thesaurus" https://smartdefine.org/wasteful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, wasteful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/wasteful/thesaurus/synonyms>.
MLASmart Define. "wasteful thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/wasteful/thesaurus/synonyms>