asymmetric

From a- +‎ symmetric, as Ancient Greek ἀσυμμετρία (asummetría, “disproportion, deformity”).

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asymmetric (comparative more asymmetric, superlative most asymmetric)

1. (geometry, general) Of a shape, not symmetric.
2. (cryptography) Not involving a mutual exchange of keys between the sender and receiver.
3. (set theory) Of a relation R on a set S: having the property that for any two elements of S (not necessarily distinct), at least one is not related to the other via R.

• (shape: not symmetric): asymmetrical
• nonsymmetric
• unsymmetrical

• (shape: symmetric): symmetrical

• antisymmetric
• dissymmetric
• non-symmetric