Synonyms for Extensively

Synonyms starting with letter O

• on a large scale
• on all counts
• ordinarily
• overall
• on average
• on the whole
• overly
• often
• oft
• over and over
• originally
• overstatedly
• overdramatically
• overemotionally
• one hundred percent
• openhandedly
• obviously
• outstandingly
• overmuch
• overwhelmingly

  mainly