grip

1 grip /ˈgrɪp/ verb
grips; gripped; gripping
1 grip
/ˈgrɪp/
verb
grips; gripped; gripping
Britannica Dictionary definition of GRIP
[+ object]
1 
: to grab or hold (something) tightly
2 
: to get and hold the interest or attention of (someone)
2 grip /ˈgrɪp/ noun
plural grips
2 grip
/ˈgrɪp/
noun
plural grips
Britannica Dictionary definition of GRIP
1 
[count]
a  : the act of grabbing or holding something — often + on
— see also death grip
b  : a way or style of holding something
2 
[singular]
a  : power or control
◊ To be in the grip of something unpleasant is to be unable to stop or escape its effect or influence.
b  : an understanding of something — often + on
3 
[count] : a part for holding something

come to grips with

or British get to grips with
: to begin to understand or deal with (something, such as a problem) in a direct or effective way

get a grip on yourself

informal or get a grip
: to get control of your thoughts and emotions and stop behaving in a foolish or uncontrolled way

lose your grip

informal
: to lose control of your thoughts and emotions : to lose your ability to think or behave in a normal way