to say sth when you should not, for example because it is not the right time or you are not the right person to say it
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to say sth when you should not, for example because it is not the right time or you are not the right person to say it
I hope I haven't spoken out of turn.
I was doing you a favor bringing you along. I know I spoke out of turn.
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition