"slimy" in the adjective sense
1. slimed, slimy
covered with or resembling slime
"a slimy substance covered the rocks"
2. despicable, ugly, vile, slimy, unworthy, worthless, wretched
morally reprehensible
"would do something as despicable as murder"
"ugly crimes"
"the vile development of slavery appalled them"
"a slimy little liar"
Source: WordNet® (An amazing lexical database of English)
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