plumb
noun
a small mass of lead or other heavy material, as that suspended by a line and used to measure the depth of water or to ascertain a vertical line.
plumbed
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past participleof plumb.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof plumb.past tense
Used to describe completed actions or previous habitual actions.
plumbnouna small mass of lead or other heavy material, as that suspended by a line and used to measure the depth of water or to ascertain a vertical line.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Japan, which imports most of its energy, is facing a double whammy of the higher oil prices that affect everyone and even higher prices in yen terms as the currency plumbed new depths.
From The Wall Street Journal ● Aug. 6, 2026
For proof of the formula’s resilience, look no further than the success of VH1’s “Behind the Music” series, which plumbed the depths of dozens of rock ’n’ roll train wrecks.
From Los Angeles Times ● Dec. 17, 2025
The Indian currency has plumbed a series of new lows versus its U.S. counterpart over the past months, crossing the key psychological level of 90 on Wednesday.
From The Wall Street Journal ● Dec. 3, 2025
A long-running survey of consumer confidence fell in November to a seven-month low and plumbed depths last reached during the covid crisis in 2020.
From MarketWatch ● Nov. 25, 2025
“It isn’t a proper holiday until we’ve plumbed every available sewer.”
From "Hollow City" by Ransom Riggs
