Enter a clue or pattern or both:
The Clue
Sending an S O S, maybe (8 letter answer)
The Answer
RADIOING
Tags
Notes
The answer RADIOING is so rare that it appears less than once every 2500 puzzles.
Related Clues
C.B. activity
Definition
RADIO as a verb:
1. transmit messages via radio waves; "he radioed for help"