WordNet (r) 3.0 (2006):

cut across
    v 1: travel across or pass over; "The caravan covered almost 100
         miles each day" [syn: traverse, track, cover,
         cross, pass over, get over, get across, cut
         through, cut across]
    2: be contrary to ordinary procedure or limitations; "Opinions
       on bombing the Serbs cut across party lines"
    3: cut using a diagonal line [syn: crosscut, cut across]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "cut across":
   bar, catercorner, chiasmal, chiasmic, chiastic, crisscross, cross,
   crossbar, crosscut, crossed, crossing, cruciate, cut, cut a corner,
   cut corners, cut crosswise, cut through, decussate, decussated,
   diagonalize, intercross, intersect, intersected, intersecting,
   lie across, make a beeline, secant, short-cut, slant across, slash,
   slash across, transverse, traverse