Definition of snappishness in English:

snappishness

noun

See snappish

‘Irascibility was the wrong word, really… I meant snappishness, irritability - irascibility implies a higher degree of temper, I think.’
‘I exploded at Anthony, who was all smiles after knowing it was not he who was the root of all my snappishness.’

Pronunciation

snappishness

/ˈsnapɪʃnəs/