Definition of aguishness in US English:

aguishness

noun

rare, archaic
  • The quality or state of being aguish.

Origin

Mid 17th century; earliest use found in Thomas Moffett (1553–1604), physician and naturalist. From aguish + -ness.

Pronunciation

aguishness

/ˈeɪɡjʊɪʃnɪs/