| jam up(verb, expression, phrasal verb, cool, restrain) |
| kill(verb, cool, restrain, crush, halt) |
| labyrinth |
| lock(noun, verb, restrain, crush, block) |
| obstruction(noun, hold, block, delay, difficulty) |
| pause(noun, stop, halt, delay, wait) |
| prohibit(verb, stop, bar, ban, forbid) |
| repress(verb, hold, block, curb, suppress) |
| rush hour(noun, expression, idiom, movement, transport) |
| standoff(noun, stop, halt, stoppage, deadlock) |
| throw cold water on(verb, expression, idiom, phrasal verb, cool) |
| tie up(expression, cool, restrain, crush, halt) |
| traffic(noun, going, coming) |
| traffic jam(noun, expression, idiom, delay, line) |
| albatross(noun, difficulty, obstacle, obstruction, impediment) |
| baggage(noun, difficulty, obstacle, obstruction, impediment) |
| ball and chain(noun, expression, idiom, difficulty, obstacle) |
| ban(verb, restrain, halt, block, prevent) |
| bar(noun, verb, block, difficulty, exclude) |
| black out(verb, expression, restrain, crush, block) |