See Also: indefatigable(dictionary)
indefatigable(dictionary)

indefatigable (iou)



indefatigable adjective. E17.
[French indefatigable (now infatigable) or Latin indefatigabilis, formed as IN-3 + DE- + fatigare exhaust: see -ABLE.]
Unable to be wearied or tired out; untiring; unremitting in effort.
C. Chaplin The American is..an indefatigable tryer. P. Gay His indefatigable efforts to secure the guardianship.
indefatiga'bility noun M17.
indefatigableness noun M17.
indefatigably adverb L16.