indefatigability

Variant of indefatigable

indefatigable definition

in·de·fati·gable (in′di fat′i gə bəl)

adjective

that cannot be tired out; not yielding to fatigue; untiring

Etymology: MFr indéfatigable < L indefatigabilis < in-, not + defatigare, to tire out, weary: see de- & fatigue

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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