During an official visit to Kosovo, Abdullah said both Europe and Islam were under attack from the "scourge" of terrorism that could strike anywhere and at any time.
"We are facing a third world war against humanity and this is what brings us all together," he told a press conference.
"This is a war, as I've said repeatedly, within Islam," he said, stressing the high number of Muslim victims of the Islamic State (IS) group.
"So therefore we must act fast and holistically to tackle and respond to the interconnected threats whether it is in this region, Africa, Asia or in Europe," he said.
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In France's worst-ever terror attacks, IS gunmen and suicide bombers murdered 129 people in coordinated onslaughts in Paris on Friday night.
Muslim-majority Jordan is, like France, a member of the US-led coalition battling the group, which controls swathes of land in its neighbours Iraq and Syria.
On Sunday, Abdullah said fighting extremism was "our fight as Muslims against those who aim to turn our societies and future generations towards fanaticism and extremism".
At least 250,000 people have died in more than four years of conflict in Syria.