adjective
1.
Synonyms: sly 2, artful, astute, crafty, cunning, deep, foxy, guileful, insidious, wily
Related Word: deceptive, delusive; delusory, misleading; deceitful, dishonest
2.
Synonyms: unstable 2, rocky, ticklish
Related Word: catchy, difficult, trappy; quirky
3.
Synonyms: delicate 7, precarious, sensitive, ticklish, touchy
4.
Synonyms: trick , undependable