146 entries under extra topic. ×

22
free(verb, adjective, clear, release, leave)
18
surplus(noun, adjective, waste, extraordinary, rest)
15
reserve(noun, verb, adjective, activity, support)
15
superfluous(adjective, extraordinary, new, quantity, fresh)
13
additional(adjective, extraordinary, unusual, strange, new)
13
supernumerary(adjective, extraordinary, store, new, fresh)
12
supererogatory(adjective, extreme, reserve, useless)
11
leftover(noun, adjective, waste, extraordinary, rest)
11
redundant(adjective, extraordinary, new, fresh, special)
11
unoccupied(adjective, free, allow, reserve)
10
excess(noun, adjective, waste, rest, quantity)
10
odd(adjective, free, allow, unusual, strange)
9
auxiliary(adjective, support, extraordinary, new, fresh)
9
unused(adjective, waste, extraordinary, new, fresh)
7
backup(noun, adjective, support, reserve)
6
remaining(adjective, waste, unusual, strange, extreme)
6
unnecessary(adjective, extraordinary, new, fresh, special)
5
de trop(expression, adjective, idiom, extreme, reserve)
5
further(verb, adjective, adverb, help, advance)
5
in reserve(expression, adjective, idiom, extraordinary, store)
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APASmart Define. (2015). spare thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/spare/thesaurus/synonyms
ChicagoSmart Define. 2015. "spare thesaurus" https://smartdefine.org/spare/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, spare thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/spare/thesaurus/synonyms>.
MLASmart Define. "spare thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/spare/thesaurus/synonyms>