The most skillful at being cunning, deceitful, or clever in a tricky way.
Superlative form of 'crafty,' using the Old English 'cræftig' root with superlative suffix '-est.' Represents the most extreme degree of the sly or deceptive quality.
The superlative 'craftiest' is oddly specific to English—many languages would just say 'most crafty,' but English speakers compress it into a single word, showing our love of comparative adjectives for personality traits.
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