all-powerful / omnipotent
Intensive adjective (فَعِيل pattern) from قَدَرَ (to be able). Related: قُدْرَةٌ (power), قَدَرٌ (decree/destiny), مِقْدَارٌ (measure). God is الْقَدِيرُ (The All-Powerful).
This phrase (inna Allāha ʿalā kulli shayʾin qadīr) appears over 30 times in the Quran, affirming God's unlimited power over all creation.