|Origin:||rudig, from rudu 'redness'|
a ruddy face looks pink and healthy [≠ sallow]:
a ruddy complexion
The fire cast a ruddy glow over the room.
3 [only before noun] British English informal
used to emphasize what you are saying, especially when you are annoyed with someone or something [= bloody, damn]:
I wish that ruddy dog would stop barking!
—ruddiness noun [uncountable]