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Identification, friend or foe (IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]
Frenemy" is a portmanteau of "friend" and "enemy" that refers to "a person with whom one is friendly, despite a fundamental dislike or rivalry" or "a person who combines the characteristics of a friend and an enemy". [1] The term is used to describe personal, geopolitical and commercial relationships both among individuals and groups or ...
Enemy comes from the 9th century Latin word inimi, derived from Latin for "bad friend" (Latin: inimicus) through French. [3] " Enemy" is a strong word, and "emotions associated with the enemy would include anger , hatred , frustration , envy , jealousy , fear , distrust , and possibly grudging respect ". [ 2 ]
The term originates from the Hebrew word shibbóleth (שִׁבֹּלֶת), which means the part of a plant containing grain, such as the ear of a stalk of wheat or rye; [5] [6] [2] [7] or less commonly (but arguably more appropriately) [a] 'flood, torrent'.
That's also where the term 'IFF' (Identification Friend or Foe) comes from, the RAF were using it during the Battle of Britain and before. The idea was conceived by Robert Watson-Watt as a means for the Chain Home system to distinguish 'friendly' RAF aircraft from possibly-'foe' other aircraft.
In honor of Black Twitter's contribution, Stacker compiled a list of 20 slang words it brought to popularity, using the AAVE Glossary, Urban Dictionary, Know Your Meme, and other internet ...
Friend or Foe, a 1982 British film by John Krish; Friend or Foe, a 2002–2003 American game show that aired on Game Show Network; Friend or Foe (SpongeBob SquarePants), 2007 SpongeBob SquarePants episode "Friend or Foe" , 2024 Squid Game episode
Use of the term friendly in a military context for allied personnel started during the First World War, often when shells fell short of the targeted enemy. [4] The term friendly fire was originally adopted by the United States military; S.L.A. Marshall used the term in Men Against Fire in 1947. [5]