Bulgarian | English |
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коварен adjective | cunning(sly) guileful(full of guile) insidious(producing serious harm in a stealthy, often gradual, manner) perfidious(pertaining to perfidy) sly [slier, sliest](artfully cunning; secretly mischievous; wily) subtle [subtler, subtlest](insidious) treacherous(exhibiting treachery) underhand(dishonest and sneaky) |