Indefatigably
Indefatigably adverb - With indefatigable energy.
Like mad and indefatigably are semantically related. In some cases you can use "Like mad" instead an adverb "Indefatigably".
Like mad
Like mad adverb - With great speed or effort or intensity.
Indefatigably and like mad are semantically related. Sometimes you can use "Indefatigably" instead an adverb phrase "Like mad".
Mutual synonyms
Cite this Source
Like mad and Indefatigably. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/indefatigably/like_mad
Indefatigably & Like mad. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/indefatigably/like_mad>.
Like mad or Indefatigably. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/indefatigably/like_mad.
Google Ngram Viewer shows how "indefatigably" and "like mad" have occurred on timeline