Meaning of plumb

plumb

Pronunciation: (plum), [key]
—adj.
  1. true according to a plumb line; perpendicular.
  2. downright or absolute.
—adv.
  1. in a perpendicular or vertical direction.
  2. exactly, precisely, or directly.
  3. completely or absolutely: She was plumb mad. You're plumb right.
—v.t.
  1. to test or adjust by a plumb line.
  2. to make vertical.
  3. horn (def. 35).
  4. to sound with or as with a plumb line.
  5. to measure (depth) by sounding.
  6. to examine closely in order to discover or understand: to plumb someone's thoughts.
  7. to seal with lead.
  8. to weight with lead.
  9. to provide (a house, building, apartment, etc.) with plumbing.
—v.i.
  1. to work as a plumber.

Plumb

Pronunciation: (plum), [key]
  1. born 1911, British historian.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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