Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun knife_edge

1 sense of knife edge

Sense 1
knife edge, cutting edge -- (the sharp cutting side of the blade of a knife)
       => edge -- (a sharp side formed by the intersection of two surfaces of an object; "he rounded the edges of the box")

1 sense of knife-edge

Sense 1
knife-edge -- (a narrow boundary; "he lived on a knife-edge between genius and insanity")
       => limit, bound, boundary -- (the greatest possible degree of something; "what he did was beyond the bounds of acceptable behavior"; "to the limit of his ability")

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