Phi

//faɪ//

Synonyms for "phi" (1 found)

Ranked by relevance and common usage.

Closest matches (1)

Proper Noun(1 words)
pi

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

5 relation types

More general

3 entries

derived

3 entries

has context

2 entries

is a

2 entries

related to

16 entries

Translations

32 translations across 27 languages.

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Ancient Greek

1 entries
  • φεῖ noun (Greek letter)

Arabic

1 entries
  • فَاي noun (Greek letter)

Asturian

1 entries
  • fi noun (Greek letter)

Catalan

1 entries
  • fi noun (Greek letter)

Chinese Mandarin

3 entries
  • 佛爱 noun (Greek letter)
  • 弗愛 /弗爱 noun (Greek letter)
  • 斐 noun (Greek letter)

Czech

1 entries
  • fí noun (Greek letter)

Dutch

1 entries
  • phi noun (Greek letter)

Esperanto

1 entries
  • fio noun (Greek letter)

Finnish

1 entries
  • fii noun (Greek letter)

French

1 entries
  • phi noun (Greek letter)

German

1 entries
  • Phi noun (Greek letter)

Greek

1 entries
  • φι noun (Greek letter)

Hebrew

1 entries
  • פִי noun (Greek letter)

Hungarian

1 entries
  • fi noun (Greek letter)

Interlingua

1 entries
  • phi noun (Greek letter)

Irish

1 entries
  • fí noun (Greek letter)

Japanese

3 entries
  • ピー noun (Greek letter)
  • ファイ noun (Greek letter)
  • フィ noun (Greek letter)

Korean

1 entries
  • 피 noun (Greek letter)

Macedonian

1 entries
  • фи noun (Greek letter)

Malay

1 entries
  • fi noun (Greek letter)

Persian

1 entries
  • فی noun (Greek letter)

Polish

2 entries
  • fi noun (Greek letter)
  • phi noun (Greek letter)

Portuguese

1 entries
  • fi noun (Greek letter)

Romanian

1 entries
  • fi noun (Greek letter)

Russian

1 entries
  • фи noun (Greek letter)

Slovak

1 entries
  • fí noun (Greek letter)

Spanish

1 entries
  • fi noun (Greek letter)

Sample sentences

3 total sentences available.

Tatoeba + Wiktionary

[…] tolerance (Frenkel-Brunswik 1949) for it showed that those persons with the strongest defences against internal conflict, i.e. obsessionals and conversion hysterics, were those least able to perceive the reality-conflicting phenomenon of phi.

Source: wiktionary

The illusion of movement in a highway construction sign is an instance of the phi phenomenon, which is also at work in motion pictures and television.

Source: wiktionary

Is it the phi phenomenon or the persistence of vision? Originally, the illusion of motion that movies excel at was thought to be the effect of the persistence of vision.

Source: wiktionary

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.