How to say "crafty" in Japanese

Choosing the right word
  • 悪賢いわるがしこいCommon
    i-adjectiveCovers the cunning, wily sense of 'crafty': shrewd trickery with a distinctly wicked edge. Typical of a fox-like schemer or a swindler who plots to deceive people. Stronger disapproval than ずるい.
    あの政治家せいじかは悪賢わるがしこい。↗
    That politician is an old fox.
  • ずるいJLPT N2approx.Common
    i-adjectiveMatches 'crafty' in its plainest sense of sneaky and sly, but usually it just means unfair or cheating in everyday situations, like a child objecting to a friend's unfair move. Often what you want for casual 'that's not fair!' rather than calculated cunning.
    狐きつねは他たのどんな動物どうぶつよりもずるいということだ。↗
    It is said that the fox is more cunning than any other animal.
  • ずる賢いずるがしこいCommon
    i-adjectiveCovers 'crafty' as devious, underhanded cleverness: getting one's way by sneaky, self-serving tricks. Fits a conniving colleague or schemer who seems clever but not honorable, with a nuance of sneaky ingenuity.
    彼かれはとてもずる賢がしこいので私は嫌きらいだ。↗
    I don't like him because he is sly as a fox.

For 'crafty' meaning sly and cunning, 「悪賢い」 stresses wicked wiliness, 「ずる賢い」 stresses sneaky cleverness, and 「ずるい」 is the everyday word for unfair, sneaky behavior.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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