joy·ful /ˈʤɔɪfəl/
 (a.)懽喜的,高興的,令人高興的
 Joy·ful a. Full of joy; having or causing joy; very glad; as, a joyful heart. “Joyful tidings.”
    My soul shall be joyful in my God.   --Is. lxi. 10.
    Sad for their loss, but joyful of our life.   --Pope.
 -- Joy*ful*ly, adv. -- Joy*ful*ness, n.
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 joyful
      adj 1: full of or producing joy; "make a joyful noise"; "a joyful
             occasion" [ant: sorrowful]
      2: full of high-spirited delight [syn: elated, gleeful, jubilant]
      3: full of or suggesting exultant happiness; "a joyful heart";
         "a joyful occasion"; "the joyous news"; "joyous laughter"
         [syn: joyous]