Synonyms for Asymmetrical:

adj.

all (adjective)
crooked.
asymmetrical (adjective)
unsymmetrical, unbalanced, unequal, uneven, lopsided, disproportionate.
deformed (adjective)
cockeyed, flawed, bent, contorted, irregular, distorted, perverse, awry, corrupt, deformed, disfigured, crooked, misshapen, lopsided, freakish.
irregular (adjective)
irregular, asymmetric, unsymmetrical.
uneven (adjective)
awry, crooked, unequal, unsymmetrical, unbalanced.

n.

aerodynamic, clean, bulbous, closed, chunky, concave, concentric, straight, angular, smooth. asymmetrical (noun)
crooked, noninterchangeable, lopsided, unsymmetric, asymmetric, one-sided, irregular, ill-proportioned, unsymmetrical.

Other synonyms:

concave, aerodynamic, concentric, angular. closed, chunky. clean. Other relevant words:
angular, ill-proportioned, closed, one-sided, aerodynamic, noninterchangeable, chunky, asymmetric, unsymmetric.