Definition, Meaning & Synonyms

bi

Prefix
/baɪ/
Definition
A prefix indicating two or both.
Examples
  • Biannual: Occurring twice a year.
  • Bicycle: A vehicle with two wheels.
  • Bilingual: Able to speak two languages fluently.
Meaning
The prefix ‘bi-‘ is used in various terms to signify the number two or a doubling effect.
Synonyms
  • Dual
  • Twice
  • Double