Clues for the word "PLUMB"

We've had 52 crossword clues used for this word, and seen it 105 times in crosswords. It was last seen in Daily Quick crossword on January 20, 2026.

Definition of plumb

n. - A little mass or weight of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction; a plummet; a plumb bob. See Plumb line, below.
a. - Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the wall is plumb.
adv. - In a plumb direction; perpendicularly.
v. t. - To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall.
v. t. - To sound with a plumb or plummet, as the depth of water; hence, to examine by test; to ascertain the depth, quality, dimension, etc.; to sound; to fathom; to test.
v. t. - To seal with lead; as, to plumb a drainpipe.
v. t. - To supply, as a building, with a system of plumbing.