jam1
verb
1 he jammed a finger in each ear:
stuff, shove, force, ram, thrust, wedge, press, push, stick, squeeze, compress, confine, cram, pack, sandwich, insert.
2 several hundred friends and celebrities jammed into the shop | students soon jammed the streets:
crowd, pack, pile, press, squeeze, cram;
throng, occupy, fill, overfill, overcrowd;
obstruct, block, clog, congest;
North American mob.
noun
1 a traffic jam:
tailback, line, stream, holdup, obstruction, congestion, bottleneck, stoppage;
North American gridlock;
British, informal snarl-up.
2 informal I'd tell you if we ever got into a real jam:
predicament, plight, tricky situation, ticklish situation, awkward situation, spot of trouble, bit of bother, difficulty, problem, puzzle, quandary, dilemma, muddle, mess, quagmire, mire, imbroglio, mare's nest, dire straits;
with nowhere to turn;
West Indian comess;
informal pickle, stew, sticky situation, fix, hole, scrape, bind, (tight) spot, (tight) corner, fine kettle of fish, how-do-you-do, hot water, deep water;
British, informal spot of bother.