to key in
- phrasal verb
- /kiː ɪn/
- Her gaze shifted from the phone to another monitor as she keyed in the query.
Examples
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The technician keyed in the error codes to diagnose the computer issue.
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I keyed in the codes.
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There's nothing on the wire so I'm gonna key it in right off the police radio.
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"Emergence in five," he said, and keyed in the final sequence.
Fiction book (2002) -
AJ flipped open the lid over the cipher lock and keyed in the combination that unlocked the door.
Fiction book (2002) -
He quickly keyed in the username and password to access his account.
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After the software update, she keyed in the new settings to configure the device.
Synonyms
To write words using a keyboard on a computer or typewriter
To put information into a form or computer
To enter data into a computer for processing
To write by pressing keys on a typewriter or keyboard
To type text into a computer or device using a set of keys
To type notes or information on a computer keyboard
To type data on a keyboard or on a machine that makes holes in cards
Antonyms
How Automated
Surface Forms
Morphology
The sense 'an act of entering data by typing' is directly derivable from combining 'key' (the pressable lever/keys on a keyboard, extended to the action of pressing them) with 'in' (into a system). The motion/placement sense of 'in' plus the obvious association of 'key' with keyboard actions makes the meaning transparent and easily inferable to a B1 learner who knows the constituents.
Etymology
The phrasal verb key in comes from the simple image of pressing a key to push information in to a machine. So when you press keys to put letters or numbers into a computer, you 'key in' them, and that is why it means 'to enter information'.