Standard Lemma guide

Playfair

name · noun · 7 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.

No pronunciation record was provided for this word.

1

name

Meaning 1

A surname.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

A placename

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

A placename

A number of craters in Solar System.

A crater in Mars, Solar System.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Playfair Crater, Crater Playfair

Antonyms: none provided

4

name

Meaning 4

A placename

A number of craters in Solar System.

A crater in Moon, Earth-Moon System, Solar System.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Playfair Crater, Crater Playfair

Antonyms: none provided

5

noun

Meaning 5

Ellipsis of Playfair cipher.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, countable, ellipsis, uncountable

Topics: computing, cryptography, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

an encryption using the Playfair cipher

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, cryptography, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A form of crossword in which some words must be encrypted with a Playfair cipher before being inserted into the grid, and solvers must deduce the codeword and the encrypted clues.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: crosswording

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

* (craters): The craters are Named after Scottish mathematician, scientist and C of S minister John Playfair * (cipher): The cipher is Named after British Lord, baron, politician and scientist Lyon Playfair, who popularized the cipher.

Real reading context

Playfair in complete knowledge articles