45 entries under frontier topic. ×
| compass(noun, area, remove, turn, influence) | |
| limit(noun, extent, border, prospect, borderline) | |
| limits(border, borderline) | |
| extent(noun, area, remove, influence, line) | |
| perimeter(ring, border, loop, borderline) | |
| periphery(ring, border, loop, borderline) | |
| radius(noun, area, remove, influence, line) | |
| border(noun, extent, prospect, borderline) | |
| ambit(noun, area, remove, influence, line) | |
| termination(border, borderline) | |
| terminus(border, borderline) | |
| abuttals(border, borderline) | |
| barrier(border, borderline) | |
| beginning(border, borderline) | |
| borderland(border, borderline) | |
| borderline | |
| bounds(border, borderline) | |
| brink(border, borderline) | |
| circumscription(border, borderline) | |
| confines(border, borderline) |
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| APA | Smart Define. (2015). horizon thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/horizon/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "horizon thesaurus" https://smartdefine.org/horizon/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, horizon thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/horizon/thesaurus/synonyms>. |
| MLA | Smart Define. "horizon thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/horizon/thesaurus/synonyms> |