Standard Lemma guide

keycard

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

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

noun

Meaning 1

A usually plastic card which stores a digital signature that is used to operate an electronic access control lock.

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

In Roman keycard Blackwood, an ace of any suit or the king of trumps.

Definition source: English Wiktionary via Wiktextract

Topics: bridge, games

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a plastic card that has a magnetically coded strip that is scanned in order to operate a mechanism

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: card, identity card

History

Etymology

From key (“lock opener”) + card (“piece of plastic”).

From key (“important”) + card (“playing card”).

Across languages

Translations

24 source translations are retained for this English entry.

  • Armenian: քարտ-բանալի (kʻart-banali) — plastic card
  • Chinese Mandarin: 門卡 /门卡 (ménkǎ) — plastic card
  • Chinese Mandarin: 房卡 (fángkǎ) — plastic card
  • Danish: nøglekort — plastic card
  • Dutch: sleutelkaart — plastic card
  • Esperanto: ŝlosilkarto — plastic card
  • Finnish: avainkortti — plastic card
  • German: Schlüsselkarte — plastic card
  • German: Pass — plastic card
  • Hungarian: kulcskártya — plastic card
  • Japanese: カードキー (kādokī) — plastic card
  • Korean: 카드키 (kadeuki) — plastic card
  • Latin: chartula ad accessum — plastic card
  • Macedonian: клуч-картичка (kluč-kartička) — plastic card
  • Norwegian Bokmål: nøkkelkort — plastic card
  • Norwegian Nynorsk: nykelkort — plastic card
  • Norwegian Nynorsk: nøkkelkort — plastic card
  • Spanish: tarjeta de acceso — plastic card
  • Swedish: nyckelkort — plastic card
  • Thai: คีย์การ์ด (keykhard) — plastic card
  • Turkish: giriş kartı — plastic card
  • Turkish: anahtar kart — plastic card
  • Vietnamese: thẻ khoá — plastic card
  • Vietnamese: thẻ từ — plastic card