(noun, adjective, verb, adverb)


1. exactly vertical

- the tower of Pisa is far out of plumb

Similar word(s): perpendicular, vertical


1. completely; used as intensifiers

- I'm plumb (or plum) tuckered out

Similar word(s): clean, plum

2. conforming to the direction of a plumb line

3. exactly

- fell plumb in the middle of the puddle

Similar word(s): plum

Sentences with plumb as an adverb:

- It hit him plumb in the middle of his face.

- Years ago the well plumb dried out, not a drop of water in there since.


1. the metal bob of a plumb line

Similar word(s): plummet

Definition categories: man–made, bob


1. measure the depth of something

Definition categories: cognition, measure, quantify

2. weight with lead

Definition categories: contact, burden, burthen, weight

3. examine thoroughly and in great depth

Definition categories: cognition, explore

4. adjust with a plumb line so as to make vertical

Definition categories: change, adjust, correct, set