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Từ điển WordNet v3.1 - WordNet Dictionary
obstructor
1. someone who systematically obstructs some action that others want to take • Syn: obstructionist, obstructer, resister, thwarter • Derivationally related forms: thwart (for: thwarter), resist (for: resister), obstruct (for: obstructer), obstruct, obstructionism (for: obstructionist) • Hypernyms: disputant, controversialist, eristic • Hyponyms: naysayer, stonewaller 2. any structure that makes progress difficult • Syn: obstruction, obstructer, impediment, impedimenta • Derivationally related forms: impede (for: impediment), obstruct (for: obstructer), obstruct • Hypernyms: structure, construction • Hyponyms: bar, barrier, blockade, blockage, block, closure, occlusion, stop, stoppage, hindrance, hinderance, hitch, preventive, preventative, encumbrance, incumbrance, interference, obstacle, tumbler
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