Start free trial
Take Naologic for a spin today, no credit card needed and no obligations.
Start free trial

Bi - What is a BI word?


bi-: a prefix of one word. A prefix meaning "twice, two" in Latin gives rise to the word bi-. Some examples of terms that have this meaning include bipartisan, biped, bisect, biweekly, bipartisanship, bigamy, bilateral, binoculars, and bicentennial.