Source : Webster's Revised Unabridged Dictionary (1913)

Sirupy \Sir"up*y\, Syrupy \Syr"up*y\, a.
   Like sirup, or partaking of its qualities. --Mortimer.

Syrup \Syr"up\, n., Syrupy \Syr"up*y\, a. [See {Sirup}.]
   Same as {Sirup}, {Sirupy}.

Source : WordNet®

syrupy
     adj 1: overly sweet [syn: {cloying}, {saccharine}, {treacly}]
     2: having a relatively high resistance to flow [syn: {viscous}]
     3: with honey added [syn: {honeyed}, {honied}]