foreign policy - a policy governing international relations

human action, human activity, act - something that people do or cause to happen

foiling, thwarting, frustration - an act of hindering someone's plans or efforts

antagonism - (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure

obstruction - the act of obstructing; "obstruction of justice"

complication - the act or process of complicating

deterrence - the act or process of discouraging actions or preventing occurrences by instilling fear or doubt or anxiety

prevention, bar - the act of preventing; "there was no bar against leaving"; "money was allocated to study the cause and prevention of influenza"

clutter - unwanted echoes that interfere with the observation of signals on a radar screen

trouble - an event causing distress or pain; "what is the trouble?"; "heart trouble"

background signal, background - extraneous signals that can be confused with the phenomenon to be observed or measured; "they got a bad connection and could hardly hear one another over the background signals"

crosstalk, XT - the presence of an unwanted signal via an accidental coupling

fadeout - a gradual temporary loss of a transmitted signal due to electrical disturbances

jitter - small rapid variations in a waveform resulting from fluctuations in the voltage supply or mechanical vibrations or other sources

atmospheric static, atmospherics, static - a crackling or hissing noise cause by electrical interference

American football, American football game - a game played by two teams of 11 players on a rectangular field 100 yards long; teams try to get possession of the ball and advance it across the opponents goal line in a series of (running or passing) plays

obstruction - getting in someone's way

trap block - (American football) an illegal block

clog - any object that acts as a hindrance or obstruction

impedimenta, obstruction, obstructor, obstructer, impediment - any structure that makes progress difficult

speed bump - a hindrance to speeding created by a crosswise ridge in the surface of a roadway