Length ranks your synonyms based on character count.
Informal words should be reserved for casual, colloquial communication.
More words related to extensively
adv. fully, sufficiently
adv. mainly, in most cases
adv. to a great extent
adv. much, really; to a high degree
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.Cite This Source