46 entries under frontier topic. ×

2
circumscription(noun, area, check, curb, line)
2
extent(noun, control, order, area, power)
2
extremity(noun, check, curb, limit, restraint)
2
margin(noun, activity, study, area, work)
2
outline(border, borderline)
2
rim(noun, check, curb, limit, restraint)
2
terminus(noun, close, limit, border, borderline)
1
ambit(noun, territory, order, area, run)
1
frame(border, borderline)
1
hem(border, borderline)
1
line(noun, activity, study, area, work)
1
radius(noun, territory, order, area, run)
1
termination(check, curb, restraint, border, borderline)
0
abuttals(border, borderline)
0
beginning(border, borderline)
0
horizon(border, borderline)
0
line of demarcation(expression, idiom, border, borderline)
0
march(border, borderline)
0
mark(border, borderline)
0
mere(border, borderline)
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APASmart Define. (2015). confines thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/confines/thesaurus/synonyms
ChicagoSmart Define. 2015. "confines thesaurus" https://smartdefine.org/confines/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, confines thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/confines/thesaurus/synonyms>.
MLASmart Define. "confines thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/confines/thesaurus/synonyms>