reply
US /rɪˈplaɪ/
UK /rɪˈplaɪ/

1.
a response or answer
:
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I sent him an email, but I haven't received a reply yet.
•
Her quick reply surprised everyone.
1.
to say or write something as a response or answer
:
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Please reply to my message as soon as possible.
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She didn't know how to reply to his unexpected question.