80 entries under noun topic. ×

1
early bright(expression, light, dawn, daylight)
1
first blush(expression, light, dawn, daybreak)
1
meridian
1
wee hours(expression, idiom, light, dawn)
0
adolescence(start, opening)
0
beginning
0
commencement
0
dew(start, opening)
0
greenness(start, opening)
0
hour
0
juvenility(start, opening)
0
onset
0
opening
0
origin
0
puberty(start, opening)
0
pubescence(start, opening)
0
start
0
tender years(expression, start, opening)
0
youth(start, opening)
0
youthfulness(start, opening)
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APASmart Define. (2015). sunup thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sunup/thesaurus/synonyms
ChicagoSmart Define. 2015. "sunup thesaurus" https://smartdefine.org/sunup/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sunup thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sunup/thesaurus/synonyms>.
MLASmart Define. "sunup thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sunup/thesaurus/synonyms>