1. (n.) A distorted image.

2. (n.) A gradual progression from one type to another, generally ascending.

ambiguity ambivalence anamorphism anamorphosis antinomy buckle contortion contrariety crookedness detorsion deviation difference disequilibrium disparity disproportion disproportionateness distortion equivocality gnarl heresy heterodoxy heterogeneity imbalance inadequacy incoherence incommensurability incompatibility incongruity inconsistency inconsonance inequality inequity injustice insufficiency irreconcilability irregularity knot lopsidedness nonconformability nonconformity nonuniformity odds overbalance oxymoron paradox quirk screw self-contradiction shortcoming torsion tortuosity turn twist unbalance unconformability unconformity unevenness unfair discrimination unorthodoxy unsymmetry warp wrench wrest wring