conserve, conserves, preserves, preserve - fruit preserved by cooking with sugar

strawberry jam, strawberry preserves - made with strawberries

difficulty - a condition or state of affairs almost beyond one's ability to deal with and requiring great effort to bear or overcome; "grappling with financial difficulties"

dog's breakfast, dog's dinner - a poor job; a mess; "they made a real dog's breakfast of that job"

crowd - a large number of things or people considered together; "a crowd of insects assembled around the flowers"

snarl-up, traffic jam - a number of vehicles blocking one another until they can scarcely move

ECM, electronic countermeasures - electronic warfare undertaken to prevent or reduce an enemy's effective use of the electromagnetic spectrum

barrage jamming - electronic jamming over a wide range of frequencies simultaneously

selective jamming, spot jamming - electronic jamming of a specific channel or frequency

crowd together, crowd - to gather together in large numbers; "men in straw boaters and waxed mustaches crowded the verandah"

push, force - move with force, "He pushed the table into a corner"

bruise, contuse - injure the underlying soft tissue of bone of; "I bruised my knee"

cut off, disrupt, interrupt, break up - make a break in; "We interrupt the program for the following messages"

barrage jam - jam an entire frequency sprectrum; "During the Cold War, the Soviets routinely barrage jammed to interfere with transmissions from the West"

point jam - jam a narrow band of frequencies; "We can counter point-jamming effectively"

spot jam - jam a single frequency; "This operator is spot-jammed"

blanket jam - jam a broad-spectrum of frequencies to effect all communications in the area except for directional antenna communications

malfunction, misfunction - fail to function or function improperly; "the coffee maker malfunctioned"

stuff - fill completely; "The child stuffed his pockets with candy"

cram - put something somewhere so that the space is completely filled; "cram books into the suitcase"

block off, blockade - obstruct access to

barricado, barricade - block off with barricades

barricade - prevent access to by barricading; "The street where the President lives is always barricaded"

asphyxiate, suffocate, stifle, choke - impair the respiration of or obstruct the air passage of; "The foul air was slowly suffocating the children"

tie up - restrain from moving or operating normally; "Traffic is tied up for miles around the bridge where the accident occurred"

dam, dam up - obstruct with, or as if with, a dam; "dam the gorges of the Yangtse River"

block out, screen - prevent from entering; "block out the strong sunlight"

earth up, land up - block with earth, as after a landslide

barricade, block, block up, blockade, block off, bar, stop - render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road"

clog, clog up, congest, choke off, foul, back up, choke - become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"

hinder, impede - be a hindrance or obstacle to; "She is impeding the progress of our project"