likely as not

likely as not

Probably; most likely. During lunch, you'll find Mrs. Smith preparing lessons in her office, as likely as not. Likely as not, we'll just have to pay a fine since we're first time offenders.
See also: likely, not
Farlex Dictionary of Idioms.

*likely as not

Fig. probably; with an even chance either way. (*Also: as ~.) He will as likely as not arrive without warning. Likely as not, the game will be canceled.
See also: likely, not
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • as likely as not
  • which way the wind lies
  • which way the wind blows
  • how the wind blows
  • the way the wind blows
  • the way the wind is blowing
  • way the wind blows, which
  • how the wind lies
  • What's the betting (line)
  • what's the betting...?