> i don't think this is two senses
I wouldn't dispute that assessment :-)
I just added the meaning as I saw it, and left it to editors 
to decide whether to keep "to worry" in that form (which 
seemed to me to be a bit off the mark)

gg5, prog, eij

i don't think this is two senses

@@ -17,7 +17,5 @@
-<gloss>to worry</gloss>
-</sense>
-<sense>
-<pos>&v5m;</pos>
-<pos>&vt;</pos>
-<gloss>to fret over a decision</gloss>
-<gloss>to be at a loss as to what to do</gloss>
+<gloss>to worry about</gloss>
+<gloss>to be worried about</gloss>
+<gloss>to fret about</gloss>
+<gloss>to not know what to do</gloss>
+<gloss>to be at a loss (as to what to do)</gloss>

I think there is something missing in the definition, 
because it can be more specific than just "worrying". It's 
often used when one is having difficulty making a decision. 
Here are three examples from jukuu.com ~
1) I was torn between the two alternatives.
その二つの方法のどちらを選ぼうかと思い悩んだ。
2) He was quite at a loss as to how to give his patient some 
hope of recovery.
彼はどうやって患者に回復の希望を与えようかと思い悩んだ。
3) 長いこと思い悩んだが,ついに決心がついた
我内心斗争了好久,终于下定了决心
I would render the Chinese here as ~
"I struggled with it [in my mind] for a long time, but in 
the end I made up my mind."
4) One more, from 『おかめさん』by Beat Takeshi ~
学生らしく「今日は」というのは軽く見られそうだし、「御免ください」というのは気取っ
た感じがする。思いきって京都弁でやってみるか。一郎は思い悩んでしばらく玄関でモ
ジモジしていた。

@@ -19,0 +19,6 @@
+<sense>
+<pos>&v5m;</pos>
+<pos>&vt;</pos>
+<gloss>to fret over a decision</gloss>
+<gloss>to be at a loss as to what to do</gloss>
+</sense>