The word "queer" has a complex history and has been used in a variety of ways over the years. Originally, the word meant "strange" or "unusual," but in the late 19th and early 20th centuries, it began to be used as a pejorative term for LGBTQ+ people.
In the 1980s, some members of the LGBTQ+ community began to reclaim the word "queer" as a way of embracing their identity and rejecting the labels and categories that had been imposed on them. They used the word as a way of celebrating their difference and asserting their right to exist and be visible.
Today, the word "queer" is often used as an umbrella term to refer to anyone who does not identify as heterosexual and/or cisgender. It is a way of acknowledging the diversity of the LGBTQ+ community and of resisting the idea that there are only two binary genders and sexual orientations.
While some people still find the word "queer" offensive, many LGBTQ+ individuals and organizations have embraced it as a way of asserting their identity and challenging societal norms and expectations.