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Yeah to my understanding, The Opposite of Advance is Arrears/Retreat, they are used as verbs, and they have different meaning

Say Happy Birthday in Arrears, is the opposite of Happy Birthday in advance, While I can't talk by 2:am I will be in Advance, is the opposite of I can talk now I have Retreat/Retreated !


Fine SabadillaSay Happy Birthday in Arrears,

Absolutely do not say that! It is very bad form.

We say "Happy Belated Birthday"

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