Definition of sonsy in English:

sonsy

(also sonsie)

Pronunciation /ˈsän(t)sē/ /ˈsɑn(t)si/

adjectivesonsier, sonsiest

literary Scottish
  • Having an attractive and healthy appearance.

Origin

Mid 16th century (also in the sense ‘lucky’): from Irish and Scottish Gaelic sonas ‘good fortune’ (from sona ‘fortunate’) + -y.