60 entries under opening topic. ×
| chimney(noun, beam, rod, duct) | |
| flue(noun, beam, rod, duct) | |
| hovel(noun, nature, break, cut, crack) | |
| perforate(verb, sink, punch) | |
| stick(noun, shaft) | |
| way | |
| lance(beam, rod) | |
| pierce(verb, turn, produce, clean, discover) | |
| prick(verb, sink, punch) | |
| punch(verb, sink) | |
| puncture(noun, verb, break, cut, crack) | |
| riddle(verb, sink, punch) | |
| shelter(noun, nature, break, cut, crack) | |
| spear(beam, rod) | |
| stave in(verb, expression, phrasal verb, concavity) | |
| tap | |
| adjutage | |
| ajutage | |
| enfilade | |
| fistula |
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| APA | Smart Define. (2015). tunnel thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tunnel/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tunnel thesaurus" https://smartdefine.org/tunnel/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, tunnel thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tunnel/thesaurus/synonyms>. |
| MLA | Smart Define. "tunnel thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/tunnel/thesaurus/synonyms> |