Standard Lemma guide

plumb

adj · adv · name · noun · verb · 28 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • plŭm
  • /plʌm/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • Northern-England: /plʊm/
  • rhymes with -ʌm
  • homophone: plum
  • CMU ARPABET: P L AH1 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Truly vertical, as indicated by a plumb line.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Describing an LBW where the batsman is hit on the pads directly in front of their wicket and should be given out.

Definition source: English Wiktionary via Wiktextract

Topics: ball-games, cricket, games, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adv

Meaning 3

In a vertical direction; perpendicularly.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adv

Meaning 4

Squarely, directly; deeply, completely.

Definition source: English Wiktionary via Wiktextract

Usage: informal, not-comparable

Examples

  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

A surname.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A little mass of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A weight on the end of a long line, used by sailors to determine the depth of water.

Definition source: English Wiktionary via Wiktextract

Topics: nautical, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

The perpendicular direction or position.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Obsolete spelling of plum (“the fruit”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

verb

Meaning 10

To determine the depth, generally of a liquid; to sound.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

verb

Meaning 11

To attach to a water supply and drain.

Definition source: English Wiktionary via Wiktextract

Examples

  • The kitchen sink is now plumbed in / up.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

verb

Meaning 12

To think about or explore in depth, to get to the bottom of.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, transitive

Examples

  • to plumb the depths of

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

verb

Meaning 13

To use a plumb bob as a measuring or aligning tool.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

verb

Meaning 14

To accurately align vertically or horizontally.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

verb

Meaning 15

To seal something with lead.

Definition source: English Wiktionary via Wiktextract

Usage: dated

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

16

verb

Meaning 16

To work as a plumber.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: plumber

Antonyms: none provided

17

verb

Meaning 17

To fall or sink like a plummet.

Definition source: English Wiktionary via Wiktextract

Usage: rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

18

verb

Meaning 18

To trace a road or track; to follow it to its end.

Definition source: English Wiktionary via Wiktextract

Usage: US, colloquial, figuratively, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

19

verb

Meaning 19

To position vertically above or below.

Definition source: English Wiktionary via Wiktextract

Topics: nautical, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

20

adjective satellite

Meaning 20

exactly vertical

Definition source: Princeton WordNet 3.0

Examples

  • the tower of Pisa is far out of plumb

Meaning relationships

Synonyms: none provided

Antonyms: none provided

21

adverb

Meaning 21

completely; used as intensifiers

Definition source: Princeton WordNet 3.0

Examples

  • clean forgot the appointment
  • I'm plumb (or plum) tuckered out

Meaning relationships

Synonyms: clean, plum

Antonyms: none provided

22

adverb

Meaning 22

exactly

Definition source: Princeton WordNet 3.0

Examples

  • fell plumb in the middle of the puddle

Meaning relationships

Synonyms: plum

Antonyms: none provided

23

adverb

Meaning 23

conforming to the direction of a plumb line

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

24

noun

Meaning 24

the metal bob of a plumb line

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: plumb bob, plummet

Antonyms: none provided

Broader terms: bob

25

verb

Meaning 25

adjust with a plumb line so as to make vertical

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: adjust, set, correct

26

verb

Meaning 26

examine thoroughly and in great depth

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: explore

27

verb

Meaning 27

measure the depth of something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: quantify, measure

28

verb

Meaning 28

weight with lead

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: burden, burthen, weight, weight down

History

Etymology

From Middle English plumbe, plumme, from Old French *plombe, from Latin plumba, plural of plumbum.

Across languages

Translations

49 source translations are retained for this English entry.

  • Bulgarian: отвесен (otvesen) — truly vertical
  • Danish: lodret — truly vertical
  • Danish: vater — truly vertical
  • Dutch: loodrecht — truly vertical
  • Dutch: in het lood — truly vertical
  • Finnish: kohtisuora — truly vertical
  • German: lotrecht — truly vertical
  • Swedish: lodrät — truly vertical
  • Bulgarian: отвесно (otvesno) — in a vertical direction
  • Dutch: loodrecht — in a vertical direction
  • Dutch: in het lood — in a vertical direction
  • Finnish: kohtisuoraan — in a vertical direction
  • Finnish: kohtisuorasti — in a vertical direction
  • Finnish: kohtisuorassa — in a vertical direction
  • German: senkrecht — in a vertical direction
  • German: lotrecht — in a vertical direction
  • Bulgarian: право (pravo) — squarely, completely
  • Bulgarian: напълно (napǎlno) — squarely, completely
  • Chinese Mandarin: 正 (zhèng) — squarely, completely
  • Finnish: suoraan — squarely, completely
  • Finnish: täysin — squarely, completely
  • Finnish: kokonaan — squarely, completely
  • Polish: wręcz — squarely, completely
  • Bulgarian: отвес (otves) — mass attached to a line to indicate vertical direction
  • Finnish: luoti — mass attached to a line to indicate vertical direction
  • Finnish: lyijypaino — mass attached to a line to indicate vertical direction
  • Romanian: plumb — mass attached to a line to indicate vertical direction
  • Spanish: plomada — mass attached to a line to indicate vertical direction
  • Bulgarian: лот (lot) — nautical: mass attached to a line to indicate depth
  • Finnish: luoti — nautical: mass attached to a line to indicate depth
  • Spanish: plomada — nautical: mass attached to a line to indicate depth
  • Spanish: sonda — nautical: mass attached to a line to indicate depth
  • Bulgarian: определям дълбочината (opredeljam dǎlbočinata) — to determine the depth
  • Finnish: luodata — to determine the depth
  • Italian: appiombare — to determine the depth
  • Turkish: şakullemek — to determine the depth
  • Ottoman Turkish: شاقوللامق (şakullamak) — to determine the depth
  • Finnish: liittää vesijohtoon — to attach to water supply or drain
  • Finnish: liittää viemäriin — to attach to water supply or drain
  • Finnish: syväluodata — to explore in depth
  • Bulgarian: пускам отвес (puskam otves) — to use plumb bob
  • Finnish: luodata — to use plumb bob
  • Sicilian: acchiummari — to use plumb bob
  • Finnish: rihdata — to accurately align
  • Finnish: juottaa lyijyllä — to seal with lead
  • Finnish: olla putkimiehenä — to work as plumber
  • Finnish: pudota kuin kivi — to fall or sink like a plummet
  • Finnish: upota kuin kivi — to fall or sink like a plummet
  • Finnish: seurata — to trace a road or track
Real reading context

plumb in complete knowledge articles