1. Blocking entrance to and exit from seaports and harbours
   "the blockading ships prevented delivery of munitions"

1. Hinder or prevent the progress or accomplishment of
   - obstruct, block, hinder, stymie, stymy, embarrass 
2. Render unsuitable for passage
   - barricade, block, stop, block off, block up, bar 
3. Obstruct access to
   - block off 
4. Impose a blockade on
   - seal off

See also: preventative, preventive

Type of: beleaguer, besiege, block, circumvent, close up, forbid, foreclose, forestall, hem in, impede, jam, obstruct, obturate, occlude, preclude, prevent, surround

Encyclopedia: Blockade

• olfactory modality
• olfactory nerve
• olfactory organ
• olfactory perception
• olfactory property
• olfactory sensation
• Olfersia
• Olfersia cervina
• Olga Korbut
• olibanum
• oligarch
• oligarchic
• oligarchical
• oligarchy
• oligo-
• Oligocene
• Oligocene epoch
• Oligochaeta
• oligochaete
• oligochaete worm
• oligoclase
• oligodactyly
• oligodendria
• oligodendrocyte
• oligodendroglia