فُتِلَ فُلَانٌ أَفْلَقَ قِتْلَةٍ

1.
means Such a one was slain with the hardest, or most violent, sort of slaughter. (Lh, TA.)
2.
And مَا رَأَيْتُ سَيْرًا أَفْلَقَ مِنْ هٰذَا I have not seen a journey further in extent than this. (Lh, TA.)

Perseus ID: n34557