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Synonyms for indefatigability
noun diligence, hard workAntonyms for indefatigability
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
persistence
noun. steadfastness
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.