1. ogre; demon; oni
2. spirit of a deceased person
3. ogre-like person (i.e. fierce, relentless, merciless, etc.)
when read as "おに"
4. it (in a game of tag, hide-and-seek, etc.)
when read as "おに"
5. Chinese "ghost" constellation (one of the 28 mansions)
when read as "き"
6. very; extremely; super-
when read as "おに"