Denshi Jisho — Online Japanese dictionary

きゆう absurd fear; needless anxiety
Noun, Suru verb 
がいゆう external troubles
Noun 
しんゆう deep sadness; great worry
Noun 
どうゆう sharing the same concern
Noun 
ないゆう internal or domestic troubles
Noun 
一喜一 いっきいちゆう now rejoicing, now worrying; swinging from joy to sorrow; glad and sad by turns; alternating hope and fear; unable to put one's mind at ease
Common word, Expression 
遠慮近 えんりょきんゆう Failure to think of the long term leads to grief in the short term
Noun 

You can also

Look up kanji details for *憂.

Try a Yahoo Jisho search for *憂 .
Try a Goo Jisho search for *憂 .
Try a Google search for *憂 .