Meaning of FIXED in English

FIXED

/ fɪkst; NAmE / adjective

1.

staying the same; not changing or able to be changed :

fixed prices

a fixed rate of interest

people living on fixed incomes

The money has been invested for a fixed period .

—see also abode

2.

(often disapproving ) ( of ideas and wishes ) held very firmly; not easily changed :

My parents had fixed ideas about what I should become.

3.

[ only before noun ] ( of expressions on sb's face ) not changing and not sincere :

He greeted all his guests with a fixed smile on his face.

IDIOMS

- how are you, etc. fixed (for sth)?

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