Meaning of NORMAL in English

[adjective] - ordinary or usual; the same as would be expectedLively behaviour is normal for a four-year-old child.It's not normal to refuse to eat.Until she won the prize she'd led a normal life.It was a normal working day.They were selling the goods at half the normal cost.It is normal practice to consult the patient's doctor.The temperature was above/below normal for the time of year.Things are back to normal now that we've paid off all our debts.

Cambridge English vocab.      Кембриджский английский словарь.