“OK” in Morse Code

OK predates Morse telegraphy only slightly, and the telegraph is what made it universal — it was cheap to send and hard to confuse. Operators still confirm with R (received) or C (correct), but OK crossed from wire slang into everyday English.

Letter by letter

To key it right, hold every dash three times as long as a dot. Leave a short three-unit breath between letters; the slash is the long, seven-unit pause between words. Want to hear it slower or flash it as light? Open it in the morse code translator.

More words in Morse

Verified by hand · how these write-ups are made