Synonyms|422Antonyms|2|Broader|18Narrower|9Related|100

9 entries under noun topic. ×

2
nature
1
cave
1
excavation
1
hole
1
hole in the ground
1
passage
1
place
0
hollow
0
passageway
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APASmart Define. (2015). tunnel thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tunnel/thesaurus/broader
ChicagoSmart Define. 2015. "tunnel thesaurus" https://smartdefine.org/tunnel/thesaurus/broader (accessed September 28, 2026).
HarvardSmart Define 2015, tunnel thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tunnel/thesaurus/broader>.
MLASmart Define. "tunnel thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/tunnel/thesaurus/broader>