Synonyms|1.3kAntonyms|97|Broader|29Narrower|303Related|587

237 entries under noun topic. ×

1
Silurian
1
Silurian period
1
Tertiary
1
Tertiary period
1
Triassic
1
Triassic period
1
Upper Carboniferous
1
Upper Carboniferous period
1
currently(time, moment, interval, duration)
1
daylight
1
daytime
1
downtime
1
evening
1
extra time
1
glacial epoch
1
glacial period
1
hang time(time, hang, phase, hovering)
1
ice age
1
many years(time, length, interim)
1
nighttime
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ChicagoSmart Define. 2015. "period thesaurus" https://smartdefine.org/period/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2015, period thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/period/thesaurus/narrower>.
MLASmart Define. "period thesaurus" 9 November 2015. Web. 30 September 2026. <https://smartdefine.org/period/thesaurus/narrower>