sign in

verb
signed in; signing in; signs in

Definition of sign in

intransitive verb

: to make a record of arrival by signing a register or punching a time clock

transitive verb

: to record arrival of (a person) or receipt of (an article) by signing

First Known Use of sign in

1903, in the meaning defined at intransitive sense

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The first known use of sign in was in 1903

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Cite this Entry

“Sign in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sign%20in. Accessed 20 Oct. 2020.

More from Merriam-Webster on sign in

Nglish: Translation of sign in for Spanish Speakers

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