What is the meaning of Dys-?

difficult

bad

unhealthy, harmful

painful

incorrect

poor, deficient

abnormal

to fail

inability, unable

malady, disease

not

dys-

bad status

malfunctioning

Used to convey the idea of being difficult, impaired, abnormal, or bad

Alternative form of dis-

dys-

dys-

dys-

Source: wiktionary.org