Meaning of NORMAL in English
/ ˈnɔːml; NAmE ˈnɔːrml/ adjective , noun
typical, usual or ordinary; what you would expect :
quite / perfectly (= completely) normal
Her temperature is normal.
It's normal to feel tired after such a long trip.
Divorce is complicated enough in normal circumstances , but this situation is even worse.
Under normal circumstances , I would say 'yes'.
He should be able to lead a perfectly normal life .
In the normal course of events I wouldn't go to that part of town.
We are open during normal office hours.
not suffering from any mental disorder :
People who commit such crimes aren't normal.
[ U ] the usual or average state, level or standard :
above / below normal
Things soon returned to normal .
mid 17th cent. (in the sense right-angled ): from Latin normalis , from norma carpenter's square. Current senses date from the early 19th cent.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005