apply

1 ENTRIES FOUND:
apply /əˈplaɪ/ verb
applies; applied; applying
apply
/əˈplaɪ/
verb
applies; applied; applying
Britannica Dictionary definition of APPLY
1 
[no object] : to ask formally for something (such as a job, admission to a school, a loan, etc.) usually in writing
— often + for
— sometimes followed by to + verb
2 
[+ object] : to put or spread (something) on a surface, a part of the body, etc.
3 
[+ object] : to cause (force, pressure, etc.) to have an effect or to be felt
4 
[+ object] : to use (an idea, method, law, etc.) in a particular situation
5 
[+ object] : to cause (the brakes of a vehicle) to work
6 
[no object] : to have an effect on someone or something
— often + to
7 
: to use a word, name, etc., to describe someone or something — usually + to
[no object]
[+ object]
— often used as (be) applied

apply yourself

: to make yourself work hard in order to complete something successfully