Hap·py a. [Compar. Happier superl. Happiest.]
  1. Favored by hap, luck, or fortune; lucky; fortunate; successful; prosperous; satisfying desire; as, a happy expedient; a happy effort; a happy venture; a happy omen.
     Chymists have been more happy in finding experiments than the causes of them.   --Boyle.
  2. Experiencing the effect of favorable fortune; having the feeling arising from the consciousness of well-being or of enjoyment; enjoying good of any kind, as peace, tranquillity, comfort; contented; joyous; as, happy hours, happy thoughts.
     Happy is that people, whose God is the Lord.   --Ps. cxliv. 15.
  The learned is happy Nature to explore,
  The fool is happy that he knows no more.   --Pope.
  3. Dexterous; ready; apt; felicitous.
     One gentleman is happy at a reply, another excels in a in a rejoinder.   --Swift.
  Happy family, a collection of animals of different and hostile propensities living peaceably together in one cage. Used ironically of conventional alliances of persons who are in fact mutually repugnant.
  Happy-go-lucky, trusting to hap or luck; improvident; easy-going. “Happy-go-lucky carelessness.”
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  happy
       adj 1: enjoying or showing or marked by joy or pleasure or good
              fortune; "a happy smile"; "spent many happy days on
              the beach"; "a happy marriage" [ant: unhappy]
       2: experiencing pleasure or joy; "happy you are here"; "pleased
          with the good news" [syn: pleased]
       3: marked by good fortune; "a felicitous life"; "a happy
          outcome" [syn: felicitous]
       4: satisfied; enjoying well-being and contentment; "felt
          content with her lot"; "quite happy to let things go on as
          they are"
       5: exaggerated feeling of well-being or elation [syn: euphoric]
          [ant: dysphoric]
       6: well expressed and to the point; "a happy turn of phrase";
          "a few well-chosen words"; "a felicitous comment" [syn: well-chosen]
       [also: happiest, happier]