wrongly
The paramedics managed to shock the patient's errantly beating heart back into the correct rhythm.
His language was full of errantly used grammatical patterns.
She was looking in the bin for the tickets that she had errantly thrown out.
The test results were errantly recorded in the database.
He didn't notice the errantly thrown ball coming in his direction.

SMART Vocabulary: related words and phrases

Bad and wrong behaviour
act out
angel
ASB
astray
at your worstidiom
be up to no goodidiom
go round
gross misconduct
hellion
immoralist
impossible
profligate
raise hellidiom
rakish
rakishly
rakishness
unworthily
unworthy
villainy
while the cat's away, the mice will playidiom

You can also find related words, phrases, and synonyms in the topics:

Unsuitable and unacceptable