erratic

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

tidak menentu, tidak teratur, berubah-ubah

not regular or consistent in movement, behavior, or quality

:
His breathing was shallow and erratic.
Nafasnya cetek dan tidak menentu.
The car's engine was making erratic noises.
Enjin kereta mengeluarkan bunyi-bunyi yang tidak menentu.