1ADJ-GRADED (臉色)健康紅潤的,通紅的 If you describe someone's face as ruddy, you mean that their face is a reddish colour, usually because they are healthy or have been working hard, or because they are angry or embarrassed. (臉色)健康紅潤的,通紅的
3ADJ [ADJ n](表示強調,尤用於生氣時)該死的,要命的Ruddy is used by some people to emphasize what they are saying, especially when they are angry. (表示強調,尤用於生氣時)該死的,要命的 [British, old-fashioned, rude, emphasis]
He took the paraffin stove on a picnic and the ruddy thing wouldn't work.