Collins Chinese Dictionary Plus (3rd edition), 2011:
忧(憂)
yōuI 形
anxious
II 动
worry
III 名
anxiety
忧(憂)愁 yōuchóu 形
depressed
忧(憂)患 yōuhuàn 名
suffering
忧(憂)虑(慮) yōulǜ 动
worry
- 他为(為)自己的前途感到忧(憂)虑(慮)。 Tā wèi zìjǐ de qiántú gǎndào yōulǜ. He was worried about his prospects.
忧(憂)伤(傷) yōushāng 形
sad
忧(憂)郁(鬱) yōuyù 形
depressed