tricky 
/ˈtrɪki/ adjective
trick·i·er; trick·i·est /ˈtrɪki/ adjective [also more tricky; most tricky] 1 : using or likely to use dishonest tricks
▪ a tricky salesman 2 : requiring skill or caution : difficult to do or deal with
▪ a tricky subject/question ▪ a tricky intersection ▪ The lock is tricky to open.
▪ a tricky salesman
▪ a tricky subject/question ▪ a tricky intersection ▪ The lock is tricky to open.
— trick·i·ness /ˈtrɪkinəs/ noun [noncount]
/ˈtrɪkinəs/ noun [noncount]
