1. To a high degree or extent; favourably or with much respect
   "extremely interesting"
   - highly, majorly 
2. To an extreme degree
   "extremely cold"; "extremely unpleasant"
   - exceedingly, super, passing

See also: extreme

• bipinnate leaf
• bipinnatifid
• biplane
• biplane flying fish
• bipolar
• bipolar disorder
• bipolarity
• biprism
• biquadrate
• biquadratic
• biquadratic equation
• biquadratic polynomial
• biracial
• biradial
• biradially
• biramous
• birch
• birch beer
• birch family
• birch leaf miner
• birch oil
• birch rod
• Chinese cinnamon
• Chinese cork oak
• Chinese date