1) Cantankerous 2) Contrary 3) Cussed 4) Deliberately unreasonable 5) French word used in English 6) How poets are paid 7) Negative 8) Unreasonable 9) Wayward 10) Wrongheaded 11) Wrongly self-willed Found on https://www.crosswordclues.com/clue/perverse
• (a.) Obstinate in the wrong; stubborn; intractable; hence, wayward; vexing; contrary. • (a.) Turned aside; hence, specifically, turned away from the right; willfully erring; wicked; perverted. Found on http://thinkexist.com/dictionary/meaning/perverse/
Per·verse' adjective [ Latin perversus turned the wrong way, not right, past participle of pervertere to turn around, to overturn: confer French pervers . See Pervert .] 1. Turned aside; hence, specifically, turned away from the right; willfully erring; wicked; perv... Found on http://www.encyclo.co.uk/webster/P/64
adjective marked by a disposition to oppose and contradict; `took perverse satisfaction in foiling her plans` Found on https://www.encyclo.co.uk/local/20974