Meaning of NORMAL in English

NORMAL

/ ˈnɔːml; NAmE ˈnɔːrml/ adjective , noun

■ adjective

1.

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.

2.

not suffering from any mental disorder :

People who commit such crimes aren't normal.

OPP abnormal

IDIOMS

see per

■ noun

[ U ] the usual or average state, level or standard :

above / below normal

Things soon returned to normal .

••

WORD ORIGIN

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.