harmful or unfair things a person does based on a fear or dislike of gay people or queer people (= people who do not fit a society’s traditional ideas about gender or sexuality)

Her aunt’s homophobia made it difficult for her to be out at family gatherings.

Critics of the comedian's new, shocking material accused him of homophobia and sexism.

I had to fight my own internalized homophobia that told me I should be ashamed to be queer.