Standard Lemma guide

nacreous

adj · 4 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.

  • UK, US: /ˈneɪ.kɹi.əs/
  • US: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Of, or resembling nacre (mother of pearl).

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

Exhibiting lustrous or rainbow-like colors.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

consisting of or resembling mother-of-pearl

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective satellite

Meaning 4

having a play of lustrous rainbow colors

Definition source: Princeton WordNet 3.0

Examples

  • an iridescent oil slick
  • nacreous (or pearlescent) clouds looking like mother-of-pearl
  • a milky opalescent (or opaline) luster

Meaning relationships

Synonyms: iridescent, opalescent, opaline, pearlescent

Antonyms: none provided

History

Etymology

Etymology tree English nacre Latin -ōsus Old French -usbor. Middle English -ous English -ous English nacreous From nacre + -ous.