| Main Entry: | |
| Part of Speech: | noun |
| Definition: | obstruction, difficulty |
| Synonyms: | Catch-22, albatross, baggage, ball and chain, bar, barrier, catch, check, clog, crimp, cumbrance, deterrent, drag, drawback, encumbrance, excess baggage, foot dragging, glitch*, gridlock, handicap, hang-up, hitch, impedance, impediment, interference, interruption, intervention, jam-up, joker, limitation, lock, millstone, monkey wrench, obstacle, restraint, restriction, snag, stoppage, stumbling block, trammel |
| Antonyms: | advance, aid, assistance, encouragement, expedition, help, promotion, push |
| Main Entry: | arrest |
| Part of Speech: | noun |
| Definition: | slowing or stopping |
| Synonyms: | blockage, cessation, check, checking, delay, end, halt, hindrance, inhibition, interruption, obstruction, prevention, restraining, restraint, stalling, stay, staying, stoppage, suppression, suspension |
| Antonyms: | activation, encouragement, letting go, release |
| Main Entry: | bad news |
| Part of Speech: | noun |
| Definition: | trouble |
| Synonyms: | bind, bother, concern, danger, deep trouble, difficulty, dilemma, dire straits, disappointment, distress, grief, headache, hindrance, hot water, inconvenience, mess, misfortune, nuisance, pain, predicament, problem, struggle, torment, woe |
| Main Entry: | bar |
| Part of Speech: | noun |
| Definition: | barrier; blockage |
| Synonyms: | barricade, blank wall, block, clog, deterrent, encumbrance, fence, hindrance, hurdle, impediment, obstacle, obstruction, pale, rail, railing, restraint, road block, snag, stop, stumbling block, traverse, wall |
| Antonyms: | advantage, aid, help |
| Main Entry: | barrier |
| Part of Speech: | noun |
| Definition: | obstruction to goal |
| Synonyms: | bar, check, difficulty, drawback, encumbrance, handicap, hindrance, hurdle, impediment, limitation, obstacle, pale, preventive, restraint, restriction, stumbling block |
| Antonyms: | opening |
| Main Entry: | block |
| Part of Speech: | noun |
| Definition: | obstruction |
| Synonyms: | bar, barrier, blank wall, blockage, chunk, clog, hindrance, impediment, jam, mass, obstacle, obstruction, roadblock, snag, stop, stoppage, wall |
| Notes: | a bloc is a group of countries in special alliance while a block is an obstruction, an interruption, or a rectangular area or shape |
| Antonyms: | opening |
| Main Entry: | blockade |
| Part of Speech: | noun |
| Definition: | barrier |
| Synonyms: | bar, barricade, blank wall, clog, closure, embolus, encirclement, hindrance, impediment, infarct, infarction, obstacle, obstruction, restriction, roadblock, siege, snag, stop, stoppage, wall |
| Antonyms: | opening |
| Main Entry: | bottleneck |
| Part of Speech: | noun |
| Definition: | obstacle |
| Synonyms: | barrier, block, blockage, clog, congestion, hindrance, hold-up, impediment, jam, obstruction, snag, traffic jam |
| Main Entry: | brake |
| Part of Speech: | noun |
| Definition: | stopping device; check |
| Synonyms: | anchor, binders, cinchers, constraint, control, curb, damper, deterrent, discouragement, hamper, hindrance, hurdle, obstacle, rein, restraint, retarding device |
| Notes: | to brake is to slow or stop while break is to cause to separate into pieces suddenly or violently, smash or crack |
| Antonyms: | accelerator |