Open English Wordnet
Nouns
Verbs
(v)plumbmeasure the depth of something (v)plumbexamine thoroughly and in great depth (v)plumbadjust with a plumb line so as to make vertical Adjectives
(s)plumbexactly vertical“the tower of Pisa is far out of plumb” Adverbs
(r)clean, plumb, plumcompletely; used as intensifiers“clean forgot the appointment”,
“I'm plumb (or plum) tuckered out” (r)plumbconforming to the direction of a plumb line (r)plumb, plumexactly“fell plumb in the middle of the puddle”