What does "haphazard" mean? Does it relate to the word "hazardous"?

Native speaker’s answer
Rebecca
"Haphazard" and "Hazardous" are related! They both have the word "hazard" in them. However, the meaning of "hazard" is different in both of these words. The meaning of "hazard" in "hazardous" refers to something harmful, whereas the meaning of "hazard" in "haphazard" refers to something done by chance or luck. The full meaning of "haphazard" is something done carelessly, chaotically, and without planning. It is random and by chance. Ex: This chemical is a hazard. Ex: They work in hazardous work conditions! Ex: My clothes were haphazardly all over the floor. Ex: That was a very haphazard movie. I wouldn't watch it again. Ex: Jane's a very haphazard person. She never thinks about what she's doing or saying.