22 entries under period topic. ×

11
twilight(noun, time, end, decrease, dark)
9
darkness hour(expression, time, night)
7
decline(noun, time, decrease)
3
breakdown(noun, time, decrease)
3
come-down(noun, time, decrease)
3
decadence(noun, time, decrease)
3
decay(noun, time, decrease)
3
decaying(noun, time, decrease)
3
declension(noun, time, decrease)
3
degeneracy(noun, time, decrease)
3
degradation(noun, time, decrease)
3
depression(noun, time, decrease)
3
deterioration(noun, time, decrease)
3
down-grade(noun, time, decrease)
3
ebb(noun, time, decrease)
3
eclipse(noun, time, decrease)
3
fall(noun, time, decrease)
3
nadir(noun, time, decrease)
3
regress(noun, time, decrease)
3
regression(noun, time, decrease)
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APASmart Define. (2015). day thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/day/thesaurus/antonyms
ChicagoSmart Define. 2015. "day thesaurus" https://smartdefine.org/day/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, day thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/day/thesaurus/antonyms>.
MLASmart Define. "day thesaurus" 19 November 2015. Web. 28 September 2026. <https://smartdefine.org/day/thesaurus/antonyms>