Phrase guide

fuel oil

noun · 3 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

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1

noun

Meaning 1

Any of various grades of oil used principally as fuel.

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

Broader terms: oil, fuel

2

noun

Meaning 2

Any of various grades of oil used principally as fuel.

The heaviest commercial fuel that can be obtained from crude oil.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Examples

  • Near-synonyms: bunker oil, bunker fuel, bunker (ellipsis)

Meaning relationships

Synonyms: bunker oil, bunker fuel, bunker

Antonyms: none provided

Broader terms: oil, fuel

3

noun

Meaning 3

a petroleum product used for fuel

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: heating oil

Antonyms: none provided

Broader terms: fuel, oil

Narrower terms: gas oil

History

Etymology

No etymology was provided for this word.