Synonyms|100Antonyms|2|Broader|1Narrower|0Related|47
5
interior(noun, heart, core, center, inside)
3
center(noun, heart, core, inside)
3
inland(adjective, interior)
2
airspace
2
area
2
belt
2
bosom(noun, heart, core, inside)
2
core(noun, heart, inside)
2
corridor
2
country
2
district
2
heart(noun, core, inside)
2
hinterland
2
space
2
up-country
1
air space
1
belly(heart, core, inside)
1
confines
1
contents(heart, core, inside)
1
continental shelf
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APASmart Define. (2015). heartland thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/heartland/thesaurus/synonyms
ChicagoSmart Define. 2015. "heartland thesaurus" https://smartdefine.org/heartland/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, heartland thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/heartland/thesaurus/synonyms>.
MLASmart Define. "heartland thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/heartland/thesaurus/synonyms>