Phrase guide

iron blue

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

Any of several blue pigments, but especially Prussian blue or Turnbull's blue.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any of various blue pigments

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Prussian blue

Antonyms: none provided

Broader terms: pigment

3

noun

Meaning 3

slightly purplish or bluish dark grey

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: steel grey, steel gray, Davy's grey, Davy's gray

Antonyms: none provided

Broader terms: gray, grayness, grey, greyness

History

Etymology

No etymology was provided for this word.