Pipe and Tunnel

Pipe

Pipe noun - A long hollow cylinder for carrying a substance (as a liquid or gas).

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Tunnel and pipe are semantically related in passage topic. In some cases you can use "Tunnel" instead a noun "Pipe".

Nearby Words: piping, piped, pipeline, pipework, pipage

Tunnel noun - A passageway through or under something, usually underground (especially one for trains or cars).

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Pipe and tunnel are semantically related in passage topic. Sometimes you can use "Pipe" instead a noun "Tunnel".

Nearby Words: tunneled, tunneling, tunnelled

old	old pipe	old tunnel
special	special pipe	special tunnel
long	long pipe	long tunnel
similar	similar pipe	similar tunnel
Other adjectives: complete, single, warp, small, actual, real, massive, large, big, huge, wrong, tiny, horizontal, narrow, famous, hidden, underground, nearby, underwater.

One moment, you're skating down a half-pipe and accidentally miss the entrance to a tunnel, the next you're staring at the funeral of your apparently late skater.

Source: Mood Whiplash / Video Games
After being rendered unconscious by sleep gas, he wakes up in an underground pipe and must face an electrified tunnel integrity checker.

Source: Waking Up Elsewhere
A laser sensor blocking a section of the hallway in an underground tunnel: You could lockpick the hatch to the canal that bypasses it or... oh, hey, is that an EMP grenade in the sewage pipe?

Source: Anti-Frustration Features

Cite this Source

Tunnel and Pipe. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/pipe/tunnel

Pipe & Tunnel. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/pipe/tunnel>.

Tunnel or Pipe. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/pipe/tunnel.

Google Ngram Viewer shows how "pipe" and "tunnel" have occurred on timeline