mistakenly (do something)
Doing something "mistakenly" means that you do it by mistake.
The opposite of "mistakenly" is "purposefully":
You purposefully said that to hurt me, didn't you?
Doing something "mistakenly" means that you do it by mistake.
The opposite of "mistakenly" is "purposefully":
You purposefully said that to hurt me, didn't you?
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