1. easily annoyed or irritated; impatient and bad-tempered

Examples

• The professor became testy when students kept interrupting his lecture.
• She gets testy when she’s hungry and needs to eat something.
• His testy response showed he was clearly frustrated with the situation.
• The customer grew increasingly testy as the wait time extended.
• Don’t be so testy – I was just asking a simple question.
• The heat made everyone testy and short-tempered during the meeting.