Plumb
Plumb verb - To measure the depth of (as a body of water) typically with a weighted line.
Probe is a synonym for plumb in explore topic. In some cases you can use "Probe" instead a verb "Plumb", when it comes to topics like delve into.
Mutual synonyms
Common collocations
| mind | plumb mind | probe mind |
Cite this Source
Probe and Plumb. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/plumb/probe
Plumb & Probe. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/plumb/probe>.
Probe or Plumb. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/plumb/probe.
Google Ngram Viewer shows how "plumb" and "probe" have occurred on timeline