The Collaborative International Dictionary of English v.0.48:

Skew \Skew\, v. i. [imp. & p. p. Skewed; p. pr. & vb. n.
   Skewing.]
   1. To walk obliquely; to go sidling; to lie or move
      obliquely.
      [1913 Webster]

            Child, you must walk straight, without skewing.
                                                  --L'Estrange.
      [1913 Webster]

   2. To start aside; to shy, as a horse. [Prov. Eng.]
      [1913 Webster]

   3. To look obliquely; to squint; hence, to look slightingly
      or suspiciously. --Beau. & Fl.
      [1913 Webster]

WordNet (r) 3.0 (2006):

skewed
    adj 1: having an oblique or slanting direction or position; "the
           picture was skew" [syn: skew, skewed]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "skewed":
   agee, agee-jawed, askance, askant, askew, askewgee, asquint,
   asymmetric, awry, catawampous, catawamptious, cockeyed, crooked,
   deflected, deflective, diffracted, diffractive, diffuse, diffused,
   disparate, dispersed, disproportionate, distorted, flectional,
   flexed, ill-matched, ill-sorted, inadequate, inflective,
   insufficient, irregular, mismatched, odd, out of proportion,
   refracted, refractile, refractive, refrangible, scattered, skew,
   skew-jawed, slaunchways, squinting, unequal, uneven, wamper-jawed,
   wry, yaw-ways