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

See also: extensive

• progressive aspect
• progressive emphysematous necrosis
• Progressive Party
• progressive rock
• progressive tax
• progressive tense
• progressive vaccinia
• progressively
• progressiveness
• progressivism
• progressivity
• progymnosperm
• prohibit
• prohibited
• prohibition
• prohibition era
• Prohibition Party
• prohibitionist
• prohibitive
• prohibitively
• prohibitory
• proinflammatory
• project
• projected
• projectile