Definitions

1. adjective

somewhat or slightly mad, crazy, or eccentric.

“She had a mateley sense of humor, often making jokes that others found confusing.”

2. adjective

unusual or unexpected, especially in a way that is slightly unsettling or off-putting.

“The mateley atmosphere of the old mansion gave us chills.”

3. noun

a mateley person; an eccentric or slightly crazy person.

“He’s such a mateley, always wearing bright colors and talking about aliens.”