[1] : WordNet (r) 2.0

stick up
     v 1: rob at gunpoint or by means of some other threat syn: hold
          up
     2: defend against attack or criticism; "he stood up for his
        friend"; "she stuck up for the teacher who was accused of
        harassing the student" syn: stand up
see also:
hold up stand up 

[2] : Moby Thesaurus II by Grady Ward, 1.0

75 moby thesaurus words for "stick up":
   arise, boost, bristle, bristle up, buoy up, cast up, cock up,
   commit robbery, elevate, erect, escalate, extrude, get up, heave,
   heft, heighten, heist, hijack, hike, hoick, hoist, hold up,
   jerk up, jump up, jut out, knock off, knock over, knock up,
   levitate, lift, lift up, lob, loft, loot, mug, perk up, plunder,
   poke out, project, protrude, protuberate, raise, raise up, ramp,
   ransack, rear, rear up, relieve, rifle, rip off, rise, rise up,
   rob, set up, shoot out, shoot up, sit bolt upright, sit up, sky,
   stand out, stand up, start up, stick out, throw up, up, upbuoy,
   upcast, upheave, uphoist, uphold, uplift, upraise, uprear, uprise,
   upthrow

Ball Up >> B Words
Ball Up, definition of term: Ball Up
ball+up_pag1.html

Bang Up >> B Words
Bang Up, definition of term: Bang Up
bang+up_pag1.html

Backed Up >> B Words
Backed Up, definition of term: Backed Up
backed+up_pag1.html

Back Up >> B Words
Back Up, definition of term: Back Up
back+up_pag1.html

Ante Up >> A Words
Ante Up, definition of term: Ante Up
ante+up_pag1.html

Act Up >> A Words
Act Up, definition of term: Act Up
act+up_pag1.html