"cunningest" in the adjective sense
1. cunning, cute
attractive especially by means of smallness or prettiness or quaintness
"a cute kid with pigtails"
"a cute little apartment"
"cunning kittens"
"a cunning baby"
2. crafty, cunning, dodgy, foxy, guileful, knavish, slick, sly, tricksy, tricky, wily
marked by skill in deception
"cunning men often pass for wise"
"deep political machinations"
"a foxy scheme"
"a slick evasive answer"
"sly as a fox"
"tricky Dick"
"a wily old attorney"
3. clever, cunning, ingenious
showing inventiveness and skill
"a clever gadget"
"the cunning maneuvers leading to his success"
"an ingenious solution to the problem"
Source: WordNet® (An amazing lexical database of English)
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