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asymmetric

You describe something as asymmetric when it lacks the mirror-image quality of symmetry. That dress your sister sewed for you may appear stylishly asymmetric, but really the reason the sleeves are different lengths is because she doesn’t know how to use a tape measure.

The a- prefix comes from Latin and makes a word into its opposite, so asymmetric is the opposite of symmetric. Asymmetric often describes an intentional part of a design, like a shirt with an asymmetric neckline. But it can also describe something that is the result of a mistake, injustice, or deformity, like asymmetric growth in a body, which may be a sign of disease.

Definitions of asymmetric
  1. adjective
    characterized by asymmetry in the spatial arrangement or placement of parts or components
    synonyms: asymmetrical
    irregular
    contrary to rule or accepted order or general practice
    lopsided
    having one side lower or smaller or lighter than the other
    noninterchangeable
    such that the terms of an expression cannot be interchanged without changing the meaning
    unsymmetric, unsymmetrical
    lacking symmetry
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    Antonyms:
    symmetric, symmetrical
    having similarity in size, shape, and relative position of corresponding parts
    parallel
    being everywhere equidistant and not intersecting
    regular
    in accordance with fixed order or procedure or principle
    bilateral, bilaterally symmetric, bilaterally symmetrical, isobilateral
    having identical parts on each side of an axis
    biradial
    showing both bilateral and radial symmetry
    cruciate, cruciform
    shaped like a cross
    even, regular
    symmetrically arranged
    interchangeable
    (mathematics, logic) such that the arguments or roles can be interchanged
    isosceles
    (of a triangle) having two sides of equal length
    radial, radiate, stellate
    arranged like rays or radii; radiating from a common center
    centrosymmetric, radially symmetrical
    having a symmetrical arrangement of radiating parts about a central point
    rhombohedral, trigonal
    having threefold symmetry
    show more antonyms...
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