testy
Definitions
Easily irritated or impatient; touchy.
Characterized by or showing ill humor or irritability.
Examples
The tired toddler became quite testy when it was time for his afternoon nap.
After working a double shift, the manager was feeling testy and snapped at his employees.
Synonyms
irritable cranky short-tempered petulant snappish touchy crabby
Antonyms
patient good-natured easygoing amiable placid even-tempered affable