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Added 9 October 2026

plumb

/plʌm/ noun

Categories: ThingsRare Words

Latin root: plumba Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about plumb at Wordnik → Where our words come from →

  1. The metal bob of a plumb line.

verb

  1. Measure the depth of something.
  2. Weight with lead.
  3. Examine thoroughly and in great depth.

adjective

  1. Exactly vertical.
    the tower of Pisa is far out of plumb

adverb

  1. Completely; used as intensifiers.
    clean forgot the appointment
  2. Conforming to the direction of a plumb line.
  3. Exactly.
    fell plumb in the middle of the puddle

Origin

From Middle English plumbe, plumme, from Old French *plombe, from Latin plumba, plural of plumbum.

From Wiktionary, via Kaikki.org (CC BY-SA)

Related Words: plummetverticalperpendicularplumcleanbobcompletelyreallybobsdownrightupright

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