Meaning of BASIC in English

BASIC

/ ˈbeɪsɪk; NAmE / adjective

1.

basic (to sth) forming the part of sth that is most necessary and from which other things develop :

basic information / facts / ideas

the basic principles of law

Drums are basic to African music.

2.

of the simplest kind or at the simplest level :

The campsite provided only basic facilities.

My knowledge of French is pretty basic.

3.

[ only before noun ] necessary and important to all people :

basic human rights

the cost of basic foods

4.

before anything extra is added :

The basic pay of the average worker has risen by 3 per cent.

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WORD ORIGIN

mid 19th cent.: from the noun base + -ic .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.