33

Is "roger" equivalent to "Ok"? I hear it in war movies, movies like Star Wars Clone Wars, and in war games.

42

It's not necessarily military, it's more radio slang.

In certain radio alphabets Roger stands for the letter R, which in radio communications stands for received.

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    I didn't know this - I actually thought it meant "Ok" (and I am a native english speaker). Thanks! – BlueRaja - Danny Pflughoeft Jun 28 '11 at 21:09
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    @BlueRaja: The meaning is similar, and because of the common use of this in war movies etc. it has also been quite popular to use it in daily speach as a synonym to "OK". – awe Jun 29 '11 at 8:44
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    + 1 roger that = received that – b.roth Jun 29 '11 at 14:45
  • It's not really radio 'slang', it's radio terminology. – DJClayworth Jun 29 '11 at 16:26
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    @nico: Certainly 'slang' is slang for 'jargon', but I don't think 'slang' is jargon for 'jargon'. – Peter Shor Oct 5 '11 at 12:52
32

"Roger" is from WWII-era radio code for the letter "R", and was used as a more-understandable shorthand for "Received", an acknowledgement of the message. More recently, radio shorthand has moved to "copy" (an exact synonym) or "wilco" (short for "will comply" and appropriate for commands).

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    Also: "roger wilco" for "understood and will comply." – The Raven Jun 28 '11 at 19:32
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    Also "roger roger" if you're a cool Star Wars patois-speaking robot. – Fattie Jun 28 '11 at 19:56
  • @Joe Blow — I love the parallel evolution of "roger roger" in the prequels and "kk" online. :-D – Ben Blank Jun 28 '11 at 23:13
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    @The Raven 'Note that "ROGER" and "WILCO" are mutually exclusive, since WILCO includes the acknowledgement of ROGER.' from: en.wikipedia.org/wiki/Procedure_word#WILCO – matt Jun 29 '11 at 4:20
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    @Joel I once named a Vector "victor". – matt Jun 29 '11 at 4:23
12

From Wikipedia

"Roger" means "I have received all of the last transmission" in both military and civilian aviation radio communications. This usage comes from the initial R of received: R was called Roger in the radio alphabets current at the time, such as the Joint Army/Navy Phonetic Alphabet. It is also often shortened in writing to "rgr". R is Romeo in the modern NATO phonetic alphabet.

  • Technically "message received and understood". – DJClayworth Jun 29 '11 at 16:24
3

Yes, roger or roger that means message received. From Merriam-Webster:

used especially in radio and signaling to indicate that a message has been received and understood

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