to  tie  oneself (up)  in knots
tie
taɪ
tai
<i>oneself</i>
wʌnsɛlf
vanself
(up)
ɪn
in
<abbr style="text-decoration: underline;" title="in / into" > in</abbr>
nɒts
nots
knots

Definition & Meaning of "tie oneself (up) in knots"in English

to tie oneself (up) in knots
01

to do something that makes oneself overly worried or confused 

to [tie] {oneself} (up|) (in|into) knots definition and meaning
Idiom
Informal

What is the origin of the idiom "tie oneself in knots" and when to use it?

The idiom "tie oneself in knots" is originated from the idea of picturing someone trying to make a very tricky knot in a rope but ending up all tangled and confused. It is used to refer to someone who is getting too worried and making things harder by overthinking or making a problem more complicated than it is.

Examples
Don't tie yourself up in knots over one small mistake. 
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