to  step on one's toes
<abbr style="text-decoration: underline;" title="step / tread" > step</abbr>
stɛp
step
on
ɒn
on
<i>one's</i>
wʌnz
vanz
toes
təʊz
tewz

Definition & Meaning of "step on one's toes"in English

to step on one's toes
01

to make a person upset or offended, particularly by interfering in their responsibilities 

to [step|tread] on {one's} toes definition and meaning
Disapproving
Idiom
Informal

What is the origin of the idiom "step on one's toes" and when to use it?

The phrase "step on one's toes" originates from the physical act of unintentionally treading on someone's foot, causing discomfort. This idiom is used in various contexts or occasions where someone unintentionally oversteps boundaries or encroaches upon another person's territory, responsibilities, or interests. It can be applied in professional settings when one person interferes with another's work or expertise without permission, leading to tension or conflict.

Examples
I didn't mean to step on your toes; I was only trying to help. 
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