Synonyms for Icky (same or very similar meaning)
WordNet sense 1 (very bad):
crappy, lousy, rotten, shitty, stinking, stinkyWordNet sense 2 (having undesirable or negative qualities):
badWordNet sense 3 (soft and sticky):
gooeyWordNet sense 4 (tending to adhere):
adhesiveFrom the ODE community, based on WordNetadd/edit