by mistake
by mistakephrase
UK/baɪ mɪˈsteɪk/US/baɪ mɪˈsteɪk/
B1without intending to, because you made an error
- I took your umbrella by mistake.
- He was sent to the wrong address by mistake.
UK/baɪ mɪˈsteɪk/US/baɪ mɪˈsteɪk/
B1without intending to, because you made an error