afraid

1 ENTRIES FOUND:
afraid /əˈfreɪd/ adjective
afraid
/əˈfreɪd/
adjective
Britannica Dictionary definition of AFRAID
not used before a noun
1 
[more afraid; most afraid] : feeling fear: such as
a  : worried that something will cause pain or injury
— often + of
b  : nervous about doing something — often + of
— often followed by to + verb
c  : nervous or worried that something might happen
2 
— used in the phrase I'm afraid as a polite way of showing that you are sorry about a disappointing, negative, or critical statement
3 
— used with not to say that someone is willing to do something — often + of
— often followed by to + verb

afraid for

: feeling fear or worry about (something or someone)