go to ruin (verb) slump: decline, sink
Sinonime: crooked, cunning, dishonest, fraudulent, furtive, kleptomaniacal, larcenous, light-fingered, pilfering, piratic, plunderous, predatory, rapacious, secretive, sly, spoliative, stealthy, sticky-fingered, thievish
Antonime: benevolent, philanthropic