1. In a widespread way
   "oxidation ponds are extensively used for sewage treatment in the Midwest"

See also: extensive

• ballpoint
• ballpoint pen
• ballroom
• ballroom dance
• ballroom dancing
• ballroom music
• balls-up
• ballsy
• ballup
• bally
• ballyhoo
• ballyhoo artist
• ballyrag
• balm
• balm of Gilead
• balmily
• balminess
• balmoral
• Balmoral Castle
• balmy
• Balochi
• baloney
• balsa
• chummy
• chump