a descendant of the Arabs who inhabited Palestine
"The historical records show that many modern Palestinians are descendants of the Arabs who inhabited Palestine centuries ago."
An inhabitant of Palestine or an Arab descending from that area.
"The Palestinian refugee sought asylum in a neighboring country after leaving his home during the conflict."
In plain English: A Palestinian is someone who comes from Palestine, which is a region located between Israel and Egypt where many people live today.
"The Palestinian refugees were welcomed by their relatives in the camp."
Of, from, or pertaining to Palestine or the Palestinian people.
"The international community offered humanitarian aid to the struggling Palestinian families in Gaza."
In plain English: Something Palestinian is related to Palestine, its people, their culture, or history.
"The Palestinian territory faces challenges with water scarcity and limited resources."
The word Palestinian comes from combining the name of the region, Palestine, with the suffix "-ian." It was first used to describe people or things originating from that specific area.