5
lower(adjective, importance, inferior, insignificant, reserve)
5
microsecond
5
proxy(noun, extra, agent, substitute, replacement)
5
replacement(noun, extra, substitute, auxiliary, supernumerary)
5
secondment
5
servant(noun, inferior, subordinate, assistant, junior)
5
split second(noun, expression, idiom, time, pass)
5
sponsor(noun, verb, support, encourage, favor)
5
stand behind(verb, expression, support, hold, help)
5
twinkle(noun, time, big)
5
under(adjective, importance, inferior, insignificant, minor)
5
underling(noun, adjective, inferior, subordinate, assistant)
5
vindicate(verb, support, maintain, promote, encourage)
5
warrant(noun, verb, support, maintain, favor)
4
accompaniment(noun, accompaniment)
4
acolyte(noun, assistant, deputy)
4
adjutant(noun, help, supporter, subordinate, assistant)
4
age(noun, period)
4
authorize(verb, support, accept, praise, favor)
4
binary(adjective, like, double, similar, identical)
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APASmart Define. (2016). second thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/second/thesaurus/synonyms
ChicagoSmart Define. 2016. "second thesaurus" https://smartdefine.org/second/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, second thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/second/thesaurus/synonyms>.
MLASmart Define. "second thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/second/thesaurus/synonyms>