STICKILY
stickily, viscidly
(adverb) in a sticky viscid manner; “he felt the blood move stickily from his split scalp and trickle down his forehead”
Source: WordNet® 3.1
Etymology
Adverb
stickily (comparative more stickily, superlative most stickily)
In a sticky manner.
Source: Wiktionary
STICKY
Stick"y, a. [Compar. Stickier; superl. Stickiest.]
Definition: Having the quality of sticking to a surface; adhesive; gluey;
viscous; viscid; glutinous; tenacious.
Herbs which last longest are those of strong smell, and with a sticky
stalk. Bacon.
Source: Webster’s Unabridged Dictionary 1913 Edition