We found one dictionary that defines the word as likely like as not:

General (1 matching dictionary)

1. as likely/like as not: Cambridge Advanced Learner's Dictionary

▸ Words similar to as likely like as not ▸ Usage examples for as likely like as not ▸ Idioms related to as likely like as not ▸ Wikipedia articles (New!) ▸ Words that often appear near as likely like as not ▸ Rhymes of as likely like as not ▸ Invented words related to as likely like as not