Synonyms|83Antonyms|1|Broader|0Narrower|0Related|28

45 entries under noun topic. ×

4
shafts
3
digs
3
burrows
3
gouges
2
bores
2
adits
2
funnels
2
galleries
2
holes
2
mines
2
subways
2
tubes
1
bars
1
catacombs
1
channels
1
chimneys
1
dents
1
ferries
1
flagpoles
1
flues
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APASmart Define. (2015). tunnels thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tunnels/thesaurus/synonyms
ChicagoSmart Define. 2015. "tunnels thesaurus" https://smartdefine.org/tunnels/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, tunnels thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tunnels/thesaurus/synonyms>.
MLASmart Define. "tunnels thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/tunnels/thesaurus/synonyms>