This is the 5865th most frequent Dutch word.
palestijnse
"Palestijnse" means "Palestinian" in English, referring to something or someone from Palestine.
Here, 'Palestijnse' modifies the noun 'vlag' (flag) and describes it as being related to Palestine.
De Palestijnse vlag hing aan de muur.
The Palestinian flag was hanging on the wall.
In this sentence, 'Palestijnse' is an adjective describing 'vrouw' (woman) as originating from or associated with Palestine.
Hij sprak met een Palestijnse vrouw.
He spoke with a Palestinian woman.
Here, 'Palestijnse' qualifies the noun 'conflict', indicating the geographical or national association with Palestine.