Standard Lemma guide

logon

noun · verb · 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.

  • UK: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

credentials: the combination of a user's identification and password used to enter a computer.

Definition source: English Wiktionary via Wiktextract

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

Examples

  • Using the same logon for different systems can be a security risk.

Meaning relationships

Synonyms: login, log-in, sign-in, sign-on

Antonyms: none provided

2

noun

Meaning 2

The process of logging on.

Definition source: English Wiktionary via Wiktextract

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

Examples

  • The user's desktop is displayed shortly after logon.

Meaning relationships

Synonyms: login, log-in, sign-in, sign-on

Antonyms: logoff, logout

3

verb

Meaning 3

Misspelling of log on.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, misspelling

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Deverbal from log on.