What does keychain mean?
Keychain means A chain or ring to which a key may be attached..
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/ˈkiːˌt͡ʃeɪn/ · noun
A chain or ring to which a key may be attached..
Use keychain when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Keychain means A chain or ring to which a key may be attached..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use keychain where its definition matches the intended context.
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