Splenetic (adjective)

1. Bad-tempered, irritable, and easily angered.
2. Characterized by or arising from spleen.

Origin:

Derived from the latin word "splen" meaning "spleen" and "etic" meaning "pertaining to".

Examples:

1. The customer was splenetic because he didn't like the service.
2. The employee was splenetic because he was overworked.
3. The teacher was splenetic and scolded the students.
4. The politician's speeches were splenetic in nature, attacking opponents with harsh words.
5. The patient was diagnosed with splenetic fever, a disease of the spleen.