| Ogygian | |
| abiding | |
| acquaintance | |
| advanced in life(expression, idiom) | |
| age-long | |
| anachronistic | |
| ancient history(expression, adjective, late, old, past) | |
| anteceding(adjective, past) | |
| anthropoid | |
| ape-man | |
| back number(expression, adjective, old, early, antique) | |
| back when(expression, adjective, late, old, past) | |
| battered | |
| beat-up | |
| behind one(expression, adjective, late, old, past) | |
| behind the times(expression, idiom, odd, old, primitive) | |
| belated(adjective, dead, past, lost, previous) | |
| better | |
| brass hat | |
| broken down(expression, tired, gray, mature, aged) |
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| APA | Smart Define. (2016). ancient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ancient/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ancient thesaurus" https://smartdefine.org/ancient/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, ancient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ancient/thesaurus/synonyms>. |
| MLA | Smart Define. "ancient thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/ancient/thesaurus/synonyms> |