| Main Entry: | |
| Part of Speech: | verb |
| Definition: | obstruct |
| Synonyms: | arrest, bar, barricade, block out, blockade, brake, catch, charge, check, choke, clog, close, close off, close out, congest, cut off, dam, deter, fill, halt, hang up, hinder, hold up, impede, intercept, interfere with, occlude, plug, prevent, shut off, shut out, stall, stonewall, stop, stop up, stopper, stymie, tackle, take out of play, thwart |
| 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: | let go, let up, open, unblock |
| Main Entry: | close |
| Part of Speech: | verb |
| Definition: | obstruct, seal |
| Synonyms: | bang, bar, block, bolt, button, caulk, choke, clap, clench, clog, confine, congest, cork, dam, exclude, fasten, fill, lock, occlude, plug, prevent passage, put to, retard flow, screen, secure, shut, shut off, shutter, slam, stop up, stopper, stuff, turn off |
| Antonyms: | open, release, unclose, unplug, unseal, unstop |
| Main Entry: | dam |
| Part of Speech: | verb |
| Definition: | hold back; block |
| Synonyms: | bar, barricade, brake, check, choke, clog, close, confine, hinder, hold in, impede, obstruct, repress, restrain, restrict, retard, slow, stop up, suppress |
| Notes: | a dam is a barrier constructed to contain the flow of water while damn is used as an expletive meaning cursed, condemned to hell |
| Antonyms: | free, let go, liberate, release, unblock, unclog, unloose |
| Main Entry: | occlude |
| Part of Speech: | verb |
| Definition: | block, prevent |
| Synonyms: | choke, clog, close, close out, congest, curb, fill, hinder, impede, leave out, lock out, obstruct, plug, seal, shut, stop up, stopper, throttle |
| Antonyms: | allow, help, permit |
| Main Entry: | seal |
| Part of Speech: | verb |
| Definition: | make airtight |
| Synonyms: | close, cork, enclose, fasten, gum, isolate, paste, plaster, plug, quarantine, secure, segregate, shut, stop, stop up, stopper, waterproof |
| Antonyms: | loosen, open, unseal |