12
tertiary
8
tierce
7
thirdly(adverb, order, place, position, three)
6
one-third
6
second
6
third base(noun, expression, idiom, diamond)
5
3rd
5
ternary(noun, adjective, treble, triplication)
5
trine(noun, treble, triplication)
4
half(noun, adjective, fraction, fractional)
4
quarter(noun, adjective, fraction, fractional)
4
third gear(noun, expression, idiom)
4
three(noun, adjective, three)
4
triple(adjective, three, treble, triplication)
3
part(noun, adjective, fraction, fractional)
2
fractional(adjective, fractional)
2
iii
2
interval
2
leash
2
step
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APASmart Define. (2016). third thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/third/thesaurus/synonyms
ChicagoSmart Define. 2016. "third thesaurus" https://smartdefine.org/third/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, third thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/third/thesaurus/synonyms>.
MLASmart Define. "third thesaurus" 12 January 2016. Web. 21 September 2026. <https://smartdefine.org/third/thesaurus/synonyms>