77 entries under adjective topic. ×

26
alternate(noun, pick, extra, substitute)
22
substitute(noun, conjunction, plan, uncertainty)
9
different(irregular, extra, substitute, additional)
8
replacement(noun, counterfeit, near, reserve)
8
variant(noun, form, different)
8
second(noun, extra, substitute, subordinate)
8
surrogate(noun, extra, substitute, other)
7
backup(noun, counterfeit, spare, near)
7
optional(irregular, extra, different, possible)
6
other(noun, place, lower, new)
6
stand-in(noun, substitute, replacement, alternate)
5
makeshift(noun, counterfeit, near, reserve)
5
discretional(open, free, voluntary, elective)
5
elective(open, free, voluntary, optional)
5
reserve(noun, counterfeit, spare, near)
4
underground(secret, subversive)
3
unconventional(unusual, strange, radical, eccentric)
3
unusual(strange, trendy, eccentric, secretive)
3
additional(place, lower, new, inferior)
3
alternating
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APASmart Define. (2016). alternative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/alternative/thesaurus/synonyms
ChicagoSmart Define. 2016. "alternative thesaurus" https://smartdefine.org/alternative/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, alternative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/alternative/thesaurus/synonyms>.
MLASmart Define. "alternative thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/alternative/thesaurus/synonyms>