一喜一憂[ikkiichiyuu] now rejoicing, now worrying
内憂[naiyuu] internal or domestic troubles
内憂外患[naiyuugaikan] troubles both at home and abroad
もの憂い[monoui] languid
憂い[ui] unhappy

憂い[urei] sorrow
憂い顔[ureigao] sad face
憂い悩む[ureinayamu] to be grievously troubled
憂さを晴らしに[usawoharashini] for amusement
憂欝症[yuuutsushou] melancholia

意味深重[imishinchou] with profound (often hidden) meaning
奥深い[okufukai] profound
海深[kaishin] depth of the sea
疑い深い[utagaibukai] doubting
興味深い[kyoumibukai] very interesting

深ける[fukeru] to get late
根深い[nebukai] deep-rooted
思慮深い[shiryobukai] prudent
執念深い[shuunenbukai] vindictive
嫉妬深い[shittobukai] (deeply) jealous