key-free
|key/free|
B2
/kiː-friː/
without a physical key
Etymology
Etymology Information
'key-free' originates from the combination of 'key' and 'free', where 'key' refers to a device used to open locks and 'free' means 'without'.
Historical Evolution
'key-free' evolved from the concept of 'keyless' technology, which became popular with advancements in digital and remote access systems.
Meaning Changes
Initially, it meant 'without a physical key', and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Adjective 1
not requiring a physical key to operate or unlock.
The new car model is key-free, allowing you to unlock it with your smartphone.
Synonyms
Antonyms
Last updated: 2025/01/11 11:42