怠ける
なまける · namakeru · JLPT N3 · verb-ichidan
to neglect
🦥 namakeru ≈ numb-a-carer: too numb to care, so you slack off
The kanji 怠 is 台 (platform, stand) on top of 心 (heart): a heart left sitting on the shelf, not put to work. Say na-ma-KE-ru as numb-a-carer, someone too numb to care who lets things slide.