Standard Lemma guide

Wi-Fi

noun · verb · 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.

  • /ˈwaɪ.faɪ/
  • US: Recorded audio is listed in the source snapshot.
  • Philippines: /ˈwaɪ.faɪ/
  • Philippines: /ˈwaɪ.paɪ/
  • rhymes with -aɪfaɪ
  • CMU ARPABET: W AY1 F AY2 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Any of several standards for short-range wireless data transmission (IEEE 802.11).

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Wireless networking using one of these standards.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

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

Examples

  • Mimi gave Fifi access to her Wi-Fi.
  • He couldn't connect to the Wi-Fi in this area.
  • This coffee shop has Wi-Fi for its customers.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The capability to connect to a Wi-Fi network.

Definition source: English Wiktionary via Wiktextract

Usage: informal, uncountable

Examples

  • The refrigerator cost 1000 more dollars just because it had Wi-Fi, and I'm thinking "this is ridiculous"!

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A Wi-Fi network.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Alternative spelling of Wi-Fi.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To equip with Wi-Fi; to Wi-Fi enable.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To connect to the Internet using Wi-Fi.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Coined in analogy to Hi-Fi as a trade name developed for the Wireless Ethernet Compatibility Alliance (later Wi-Fi Alliance). Often analyzed as a shortened form of wireless fidelity (similar to how hi-fi is short for high fidelity); this is possibly due to the former slogan of the aforementioned Wi-Fi Alliance, The Standard for Wireless Fidelity.

Across languages

Translations

51 source translations are retained for this English entry.

  • Arabic: وَاي فَاي (wāy fāy) — computing: wireless data communication standard
  • Bulgarian: безжи́чен и́нтернет (bezžíčen ínternet) — computing: wireless data communication standard
  • Catalan: wifi — computing: wireless data communication standard
  • Chinese Cantonese: WiFi (waai1 faai1) — computing: wireless data communication standard
  • Chinese Mandarin: 無線熱點 /无线热点 (wúxiàn rèdiǎn) — computing: wireless data communication standard
  • Chinese Mandarin: 無線網絡 /无线网络 (wúxiàn wǎngluò) — computing: wireless data communication standard
  • Chinese Mandarin: 無線網路 /无线网路 (wúxiàn wǎnglù) — computing: wireless data communication standard
  • Chinese Mandarin: WiFi (wāifài) — computing: wireless data communication standard
  • Chinese Mandarin: 歪ㄈㄞˋ (wāifài) — computing: wireless data communication standard
  • Czech: bezdrátové připojení — computing: wireless data communication standard
  • Czech: Wi-Fi — computing: wireless data communication standard
  • Dutch: Wi-Fi — computing: wireless data communication standard
  • Dutch: draadloos internet — computing: wireless data communication standard
  • Dutch: wifi — computing: wireless data communication standard
  • Esperanto: sendrata Interreto — computing: wireless data communication standard
  • Esperanto: vifio — computing: wireless data communication standard
  • Finnish: Wi-Fi — computing: wireless data communication standard
  • Finnish: langaton verkko — computing: wireless data communication standard
  • French: Wi-Fi — computing: wireless data communication standard
  • French: connexion sans fil — computing: wireless data communication standard
  • Galician: wifi — computing: wireless data communication standard
  • German: WLAN — computing: wireless data communication standard
  • German: Wi-Fi — computing: wireless data communication standard
  • German: kabellose Netzverbindung — computing: wireless data communication standard
  • Hindi: वाई-फ़ाई (vāī-fāī) — computing: wireless data communication standard
  • Italian: wi-fi — computing: wireless data communication standard
  • Japanese: Wi-Fi — computing: wireless data communication standard
  • Japanese: ワイファイ (waifai) — computing: wireless data communication standard
  • Khmer: វ៉ាយហ្វាយ (vaayfaay) — computing: wireless data communication standard
  • Korean: 와이파이 (waipai) — computing: wireless data communication standard
  • Latin: vi-fi — computing: wireless data communication standard
  • Latin: cōnexiō computātrī sine fīlīs — computing: wireless data communication standard
  • Marathi: वाय-फाय (vāy-phāy) — computing: wireless data communication standard
  • Persian: وای-فای (vây-fây) — computing: wireless data communication standard
  • Polish: wi-fi — computing: wireless data communication standard
  • Portuguese: Wi-Fi — computing: wireless data communication standard
  • Portuguese: conexão sem fio — computing: wireless data communication standard
  • Portuguese: conexão sem fios — computing: wireless data communication standard
  • Russian: вай-фа́й (vaj-fáj) — computing: wireless data communication standard
  • Russian: беспроводна́я сеть (besprovodnája setʹ) — computing: wireless data communication standard
  • Spanish: wifi — computing: wireless data communication standard
  • Swedish: Wi-Fi — computing: wireless data communication standard
  • Tamil: அருகலை (arukalai) — computing: wireless data communication standard
  • Thai: ไวไฟ (wai-fai) — computing: wireless data communication standard
  • Thai: วายฟาย — computing: wireless data communication standard
  • Turkish: kablosuz ağ — computing: wireless data communication standard
  • Turkish: kablosuz ağ bağlantısı — computing: wireless data communication standard
  • Ukrainian: вай-фай (vaj-faj) — computing: wireless data communication standard
  • Ukrainian: вайфа́й (vajfáj) — computing: wireless data communication standard
  • Urdu: وائی فائی (wā'ī fā'ī) — computing: wireless data communication standard
  • Yiddish: ווײַ־פֿײַ (vay-fay) — computing: wireless data communication standard
Real reading context

Wi-Fi in complete knowledge articles