ṣégè adv /ʃé.ɡè/
Definitions
  1. ruthlessly, without pity
    wọ́n ṣe ṣégè fún araa wọn they were very ruthless with one another
Other entries with this spelling
Wiktionary records 2 entries spelled “ṣégè”. You're reading one of them; here are the others.
Etymology
From Hausa shege (“bastard, villainy”).
Source: Wiktionary, where this word is spelled “ṣege”. Reference: en-ṣege-yo-adv-POqRAzbX