1ADJ-GRADED (脸色)健康红润的,通红的 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. (脸色)健康红润的,通红的
3ADJ [ADJ n](表示强调,尤用于生气时)该死的,要命的Ruddy is used by some people to emphasize what they are saying, especially when they are angry. (表示强调,尤用于生气时)该死的,要命的 [British, old-fashioned, rude, emphasis]
He took the paraffin stove on a picnic and the ruddy thing wouldn't work.