Meaning of ACTION in English

ACTION

■ noun

1》 the process of doing something to achieve an aim.

↘the effect or influence of something such as a chemical.

2》 a thing done; an act.

3》 the way in which something works or moves.

4》 armed conflict.

5》 a lawsuit or legal proceedings.

■ verb take ~ on (something).

Phrases

in ~ engaged in an activity; in operation.

out of ~ not working.

Origin

ME: via OFr. from L. actio(n-) , from agere 'do, act'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.