Sign-in

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun

1
The process or an instance of signing in. attributive, often
"Enter your credentials on the sign-in screen."

Verb

1
Misspelling of sign in. alt-of, misspelling
"C&RO Clementine Davis reported that 115 voters had signed-in at the junior high precinct by 9:50 a.m. Gerald C. Fraiser also is pictured in the background as he signs-in."

Synonyms

log-in log-on login logon sign-on

Antonyms

logoff logout sign-off sign-out

Example

"Enter your credentials on the sign-in screen."

Etymology

Deverbal from sign in.

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