obstructer

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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

• Từ đồng nghĩa / Synonyms:
  block, obturate, impede, occlude, jam, close up, blockade, hinder, stymie, stymy, embarrass
• Từ trái nghĩa / Antonyms:
  free, disengage