83 entries under noun topic. ×
| duct(course, means, race, beam) | |
| excavation | |
| ferry | |
| ford | |
| funnel(opening, conduit) | |
| gully(opening, conduit) | |
| passageway(opening, channel) | |
| quarry(verb, turn, produce, clean) | |
| trough | |
| warren | |
| chimney(opening, beam, rod, duct) | |
| drift | |
| earth(hole, warren) | |
| flue(opening, beam, rod, duct) | |
| hovel(nature, break, cut, crack) | |
| pole(beam, shaft, rod) | |
| stick(opening, shaft) | |
| trench | |
| aperture | |
| bar(beam, shaft, rod) |
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Power Thesaurus
| APA | Smart Define. (2015). tunnel thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/tunnel/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tunnel thesaurus" https://smartdefine.org/tunnel/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, tunnel thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/tunnel/thesaurus/synonyms>. |
| MLA | Smart Define. "tunnel thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/tunnel/thesaurus/synonyms> |