walk in
A2 neutral inseparable intransitive
In simple words
To go into a place by walking through the door.
Literal meaning: To walk into a place — entirely transparent.
Meanings
1 A2 neutral
To enter a room or building by walking.
"She walked in just as they were finishing their meeting."
Grammar: inseparable
2 A2 informal
To arrive somewhere, especially unexpectedly or casually.
"He walked in at midnight looking as if nothing had happened."
Grammar: inseparable
3 B1 neutral
To use a service or visit a place without a prior appointment.
"You don't need to book — you can just walk in and someone will help you."
Grammar: inseparable
Usage notes
Very common and transparent. Often used in narrative descriptions of someone's arrival. 'Walk-in' (adjective/noun) is also used for services that don't require an appointment (e.g., 'walk-in clinic').
Commonly used with
door room office building without knocking uninvited
Forms
Base
walk in
I/you/we/they
3rd person
walks in
he/she/it
Past simple
walked in
yesterday
Past participle
walked in
have + pp
-ing form
walking in
continuous
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Synonyms
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