incorrectly

adverb
1
in a way that is not accurate or true
به‌طور نادرست, به‌اشتباه, اشتباه
opposite correctly(1)
2
in the wrong way; not as it should be
به‌اشتباه, نادرست, غلط
Fireworks can be very dangerous if used incorrectly.
opposite correctly(2)