erratic

US /ɪˈræt̬.ɪk/
UK /ɪˈræt̬.ɪk/
"erratic" picture
1.

tidak teratur, tidak menentu, berubah-ubah

not regular or consistent in movement, behavior, or quality

:
His breathing was shallow and erratic.
Napasnya dangkal dan tidak teratur.
The car's engine was making erratic noises.
Mesin mobil mengeluarkan suara-suara yang tidak menentu.