Source : Webster's Revised Unabridged Dictionary (1913)

Obese \O*bese"\ a. [L. obesus eaten away, lean; also, that has
   eaten itself fat, fat, stout, p. p. of obedere to devour; ob
   (see {Ob-}) + edere to eat. See {Eat}.]
   Excessively corpulent; fat; fleshy.

Source : WordNet®

obese
     adj : excessively fat; "a weighty man" [syn: {corpulent}, {weighty},
            {rotund}]