35 entries under noun topic. ×
| many | |
| number | |
| oldness | |
| quantity | |
| span | |
| stage | |
| summer | |
| twelvemonth | |
| blue moon(time, informal) | |
| days | |
| forever and a day(idiom, time) | |
| forever and ever(idiom, time) | |
| month of Sundays(idiom, time) | |
| perpetuity | |
| time period |
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| APA | Smart Define. (2015). eon thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/eon/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "eon thesaurus" https://smartdefine.org/eon/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, eon thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/eon/thesaurus/synonyms>. |
| MLA | Smart Define. "eon thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/eon/thesaurus/synonyms> |