| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | sealed |
| Synonyms: | airtight, blind, blocked, bolted, choking, clumped, cramping, crushing, cutting, fast, fastened, firm, fixed, hermetic, hermetically sealed, impenetrable, impermeable, impervious, locked, nailed, obstructed, padlocked, pinching, plugged, proof, secure, short, shrunken, shut, skintight, slammed, smothering, snapped, sound, stopped up, tied, tied up, uncomfortable, watertight |
| Notes: | the choice of 'tight' or 'tightly' depends on whether it is the result or the application that is emphasized; if it is an enduring state, you would use 'tight' |
| Antonyms: | loose, open, unsealed, wide |
| Main Entry: | clog |
| Part of Speech: | verb |
| Definition: | block, hinder |
| Synonyms: | burden, choke, close, congest, curb, dam up, encumber, entrammel, fetter, fill, glut, hamper, impede, jam, leash, obstruct, occlude, plug, seal, shackle, stop up, stopper, stuff, tie, trammel |
| Antonyms: | clear, free, open, unblock, unclog, unencumber, unstop |
| 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 |