Prejudice meaning

an unjustified or incorrect attitude usually negative

Prejudice includes attitudes towards people on the basis of their race, ethnicity, gender, or sex.

preconceived opinion that is not based on reason or actual experience.

an unfavorable opinion or feeling formed beforehand or without knowledge or without experience 

Ex. "prejudice against people from different backgrounds"

harm or injury that results or may result from some action or judgement.

Ex. "prejudice resulting from delay in the institution of the proceedings"

prejudice are include racism, sexism, lookism, LGBT-based, disability-based, religious-based, and weight-based prejudices. 

Similar words :- 

preconception

bias

influence

sway

predispose