Definition of testiness in US English:

testiness

noun

  • See testy

    • ‘A hot bath and good dinner had helped, but her testiness with Jonas was a clear sign she was on edge due to fatigue.’
    • ‘One final note: my sincerest apologies to anybody I have offended or hurt with my testiness in the past couple of days.’
    • ‘The mild suggestion of boredom he affects can't disguise a hint of testiness.’
    • ‘Here Jim is warming up to that state of testiness he can be known for, though I'm unclear who he's directing his scorn at.’
    • ‘‘No, I'm not tied up with Eliza,’ he answered, working to keep the testiness from his voice.’

Pronunciation

testiness

/ˈtestēnəs//ˈtɛstinəs/