| Word | Definitions | Synonyms |
|---|---|---|
| plumb | (adjective) exactly vertical | - |
| (noun) the metal bob of a plumb line | Synonyms: plumb bob, plummet | |
| (adverb) conforming to the direction of a plumb line | - | |
| (adverb) exactly | Synonyms: plum | |
| (adverb) completely; used as intensifiers | Synonyms: clean, plum | |
| (verb) adjust with a plumb line so as to make vertical | - | |
| (verb) measure the depth of something | - | |
| (verb) examine thoroughly and in great depth | - | |
| (verb) weight with lead | - |