See sticky in Webster's New World Roget's A-Z Thesaurus II
adjective
Having the property of adhering:
adhesive, gluey, gooey, gummy, tacky1. See clean, keepDamp and warm:
humid, muggy, soggy, sultry. See dry, hot- (Informal)
Hard to deal with or get out of:
rough, tight, tricky. See easy
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