Synonyms for Hold up:

n.

burgle, help yourself to something, plunder, run away with, walk off with, loot, steal. busy, exhibit, jam, display, bumper-to-bumper, gridlock, elevate, bottleneck, congestion, congestion charge, filter. shore up, break someone's fall, stop, prop up, steady yourself, hinder, pause, interrupt, catch. burglary, grand larceny, heist, burglarize, mug, hijacking, identity theft, extortion, carjacking, rob, break in, breaking and entering, waylay. recess, brace, shoulder, interlude, cooling-off period, interruption, interval, intermission. put off, prolong the agony, set-back, keep someone waiting, stall, sidetrack. trot out, wheel out, show, yield up, produce, present. stabilize, jog along, regularize, standardize, preserve, level.

v.

contact (verb)
support, sustain, hold.
postpone (verb)
interrupt, stop, hinder, pause, detain, delay.
rob (verb)
mug, stick up, waylay, burglarize.
take (verb)
steal.

Other synonyms:

grand larceny, breaking and entering, burglary, extortion, identity theft, hijacking, gridlock, congestion charge, carjacking, bumper-to-bumper, bottleneck, yield up. trot out, congestion, set-back, heist, wheel out, prop up, sidetrack, jam. busy, plunder, stop, brace. exhibit. produce, break in, filter. display. show, present. catch. adjourn
put off.
hold up
mug.
impede
hinder.
prohibit
gridlock.
steal
steal.
support
brace.
thieve
rob.