spiteful
SPITE-fuladjMeaning mean on purpose, out of petty ill will
Memory hook a cat FULL of SPITE. Dinner was late, so Mittens looks Felix in the eye and slowly pushes his cup off the table: a spiteful cat.
The spiteful cat stared right at me and pushed my cup off the table.
In context Jealous that her brother got the bigger room, she did something spiteful: she hid his favorite cap where he would not find it for weeks.
Similar mean, malicious, nasty, petty
Opposite kind, generous, charitable
From spite, a shortening of despite, which once meant scorn.