Standard Lemma guide

ballast

noun · verb · 16 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.

  • Received-Pronunciation, US: /ˈbæl.əst/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -æləst
  • CMU ARPABET: B AE1 L AH0 S T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: nautical, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Anything that steadies emotion or the mind.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Coarse gravel or similar material laid to form a bed for roads or railroads, or in making concrete; track ballast.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A material, such as aggregate or precast concrete pavers, which employs its mass and the force of gravity to hold single-ply roof membranes in place.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: business, construction, manufacturing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A material, such as aggregate or precast concrete pavers, which employs its mass and the force of gravity to hold single-ply roof membranes in place.

Loose stone or big gravel used to hold rails and tracks in place.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: business, construction, manufacturing, railways, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

device used for stabilizing current in an electric circuit (e.g. in a tube lamp supply circuit)

Definition source: English Wiktionary via Wiktextract

Usage: countable, usually

Topics: business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

That which gives, or helps to maintain, uprightness, steadiness, and security.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To stabilize or load a ship with ballast.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

verb

Meaning 9

To lay ballast on the bed of a railroad track.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

verb

Meaning 10

To weigh down with a ballast.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

any heavy material used to stabilize a ship or airship

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: material, stuff

12

noun

Meaning 12

an electrical device for starting and regulating fluorescent and discharge lamps

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: light ballast

Antonyms: none provided

Broader terms: electrical device

13

noun

Meaning 13

a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ballast resistor, barretter

Antonyms: none provided

Broader terms: resistor, resistance

14

noun

Meaning 14

an attribute that tends to give stability in character and morals; something that steadies the mind or feelings

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: attribute

15

noun

Meaning 15

coarse gravel laid to form a bed for streets and railroads

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: gravel, crushed rock

16

verb

Meaning 16

make steady with a ballast

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: brace, steady, stabilize, stabilise

History

Etymology

From Middle English bar (“bare”) + last (“load”).

Across languages

Translations

114 source translations are retained for this English entry.

  • Albanian: balast — heavy material placed in the hold of a vessel
  • Bulgarian: баласт (balast) — heavy material placed in the hold of a vessel
  • Catalan: llast — heavy material placed in the hold of a vessel
  • Chinese Mandarin: 壓載 /压载 (yāzài) — heavy material placed in the hold of a vessel
  • Czech: zátěž — heavy material placed in the hold of a vessel
  • Danish: ballast — heavy material placed in the hold of a vessel
  • Dutch: ballast — heavy material placed in the hold of a vessel
  • Esperanto: balasto — heavy material placed in the hold of a vessel
  • Estonian: ballast — heavy material placed in the hold of a vessel
  • Faroese: barlast — heavy material placed in the hold of a vessel
  • Faroese: kjølfesta — heavy material placed in the hold of a vessel
  • Faroese: studningur — heavy material placed in the hold of a vessel
  • Finnish: painolasti — heavy material placed in the hold of a vessel
  • Finnish: paarlasti — heavy material placed in the hold of a vessel
  • French: lest — heavy material placed in the hold of a vessel
  • German: Ballast — heavy material placed in the hold of a vessel
  • Greek: έρμα (érma) — heavy material placed in the hold of a vessel
  • Greek: σαβούρα (savoúra) — heavy material placed in the hold of a vessel
  • Ancient Greek: ἕρμα (hérma) — heavy material placed in the hold of a vessel
  • Greenlandic: ballasti — heavy material placed in the hold of a vessel
  • Hungarian: ballaszt — heavy material placed in the hold of a vessel
  • Hungarian: holtsúly — heavy material placed in the hold of a vessel
  • Ido: balasto — heavy material placed in the hold of a vessel
  • Indonesian: balas — heavy material placed in the hold of a vessel
  • Italian: zavorra — heavy material placed in the hold of a vessel
  • Japanese: バラスト (barasuto) — heavy material placed in the hold of a vessel
  • Korean: 밸러스트 (baelleoseuteu) — heavy material placed in the hold of a vessel
  • Māori: taowaka — heavy material placed in the hold of a vessel
  • Māori: pēhanga kowhatu — heavy material placed in the hold of a vessel
  • Māori: pēhi — heavy material placed in the hold of a vessel
  • Norwegian Bokmål: ballast — heavy material placed in the hold of a vessel
  • Norwegian Nynorsk: ballast — heavy material placed in the hold of a vessel
  • Polish: balast — heavy material placed in the hold of a vessel
  • Portuguese: lastro — heavy material placed in the hold of a vessel
  • Romanian: balast — heavy material placed in the hold of a vessel
  • Romanian: lest — heavy material placed in the hold of a vessel
  • Russian: балла́ст (ballást) — heavy material placed in the hold of a vessel
  • Serbo-Croatian: баласт — heavy material placed in the hold of a vessel
  • Serbo-Croatian: balast — heavy material placed in the hold of a vessel
  • Spanish: lastre — heavy material placed in the hold of a vessel
  • Swedish: barlast — heavy material placed in the hold of a vessel
  • Swedish: ballast — heavy material placed in the hold of a vessel
  • Tagalog: tulakbahala — heavy material placed in the hold of a vessel
  • Thai: อับเฉา (àp-chǎo) — heavy material placed in the hold of a vessel
  • Turkish: balast — heavy material placed in the hold of a vessel
  • Turkish: safra — heavy material placed in the hold of a vessel
  • Ottoman Turkish: صافره (safra) — heavy material placed in the hold of a vessel
  • Ukrainian: бала́ст (balást) — heavy material placed in the hold of a vessel
  • Spanish: lastre — anything that steadies emotion or mind
  • Albanian: balast — material laid to form a bed for a road
  • Bulgarian: баластра (balastra) — material laid to form a bed for a road
  • Chinese Mandarin: 道砟 (dàozhǎ) — material laid to form a bed for a road
  • Chinese Mandarin: 道碴 (dàozhǎ, dàochá) — material laid to form a bed for a road
  • Dutch: bedding — material laid to form a bed for a road
  • Dutch: ballastbed — material laid to form a bed for a road
  • Esperanto: balasto — material laid to form a bed for a road
  • Estonian: ballast — material laid to form a bed for a road
  • Finnish: raidesora — material laid to form a bed for a road
  • Finnish: raidesepeli — material laid to form a bed for a road
  • Finnish: tukikerros — material laid to form a bed for a road
  • French: remblai — material laid to form a bed for a road
  • French: ballast — material laid to form a bed for a road
  • German: Bettung — material laid to form a bed for a road
  • German: Schotter — material laid to form a bed for a road
  • Hebrew: רבד (reved) — material laid to form a bed for a road
  • Ido: balasto — material laid to form a bed for a road
  • Indonesian: balas — material laid to form a bed for a road
  • Italian: massicciata — material laid to form a bed for a road
  • Norwegian: ballast — material laid to form a bed for a road
  • Norwegian: fundament — material laid to form a bed for a road
  • Polish: balast — material laid to form a bed for a road
  • Polish: podsypka — material laid to form a bed for a road
  • Portuguese: balastro — material laid to form a bed for a road
  • Romanian: pietriș — material laid to form a bed for a road
  • Romanian: balast — material laid to form a bed for a road
  • Romanian: blocaj — material laid to form a bed for a road
  • Spanish: balastro — material laid to form a bed for a road
  • Spanish: balasto — material laid to form a bed for a road
  • Swedish: barlast — material laid to form a bed for a road
  • Swedish: ballast — material laid to form a bed for a road
  • Turkish: balast — material laid to form a bed for a road
  • Ottoman Turkish: بالاست (balast) — material laid to form a bed for a road
  • Ukrainian: бала́ст (balást) — material laid to form a bed for a road
  • Bulgarian: товар (tovar) — electronics
  • Dutch: ballast — electronics
  • Estonian: ballast — electronics
  • Finnish: kuristin — electronics
  • Finnish: virranrajoitin — electronics
  • Finnish: elektroninen virranrajoitin — electronics
  • French: ballast — electronics
  • Italian: regolatore — electronics
  • Romanian: balast — electronics
  • Spanish: balasto — electronics
  • Spanish: balastra — electronics
  • Spanish: balastro — electronics
  • Thai: บัลลาสต์ (ban-làat) — electronics
  • Albanian: balastoj — to stabilize a ship with ballast
  • Catalan: llastar — to stabilize a ship with ballast
  • Estonian: ballastima — to stabilize a ship with ballast
  • Finnish: ottaa painolastia — to stabilize a ship with ballast
  • French: ballaster — to stabilize a ship with ballast
  • Ido: balastizar — to stabilize a ship with ballast
  • Latin: saburro — to stabilize a ship with ballast
  • Māori: tauta — to stabilize a ship with ballast
  • Norwegian: ballaste — to stabilize a ship with ballast
  • Polish: balastować — to stabilize a ship with ballast
  • Spanish: lastrar — to stabilize a ship with ballast
  • Albanian: balastoj — to lay ballast on the bed of a railway track
  • Estonian: ballastima — to lay ballast on the bed of a railway track
  • Finnish: sepelöidä — to lay ballast on the bed of a railway track
  • German: beschottern — to lay ballast on the bed of a railway track
  • Ido: balastizar — to lay ballast on the bed of a railway track
  • Finnish: tasapainottaa — to weigh down with a ballast
  • Polish: balastować — to weigh down with a ballast
Real reading context

ballast in complete knowledge articles