indefatigable
adjective
in·de·fat·i·ga·ble
ˌin-di-ˈfa-ti-gə-bəl 
: incapable of being fatigued : untiring
an indefatigable worker
Examples of indefatigable in a Sentence
a person of indefatigable patience
an indefatigable laborer who can work from sunrise to sunset
Recent Examples on the Web
Harry Styles' stage is a pop playground Styles’ laudable core band – anchored by his longtime drummer, the indefatigable Sarah Jones, who makes tricky beats look simple – was augmented by strings and horns on several tracks, a testament to his ambitious musical aspirations.
—
Melissa Ruggieri, USA Today, 17 May 2026
Through indefatigable research, Kara fixes poorly remembered facts and makes a decent case that the publicity galvanized the movement to abolish British slavery a half century later.
—The Atlantic, 14 May 2026
The 16th annual event benefits The Cruisey Baby Initiative, a nonprofit created by indefatigable local artist Cruise Bogle, who suffered a spinal cord injury in 2008 (at age 19) that left him paralyzed from the neck down.
—Ben Crandell, Sun Sentinel, 13 May 2026
The once irrepressible and indefatigable Turner was slowed late in life by a progressive brain disorder.
—Christopher Quinn, AJC.com, 6 May 2026
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Melissa Ruggieri, USA Today, 17 May 2026
Through indefatigable research, Kara fixes poorly remembered facts and makes a decent case that the publicity galvanized the movement to abolish British slavery a half century later.
—The Atlantic, 14 May 2026
The 16th annual event benefits The Cruisey Baby Initiative, a nonprofit created by indefatigable local artist Cruise Bogle, who suffered a spinal cord injury in 2008 (at age 19) that left him paralyzed from the neck down.
—Ben Crandell, Sun Sentinel, 13 May 2026
The once irrepressible and indefatigable Turner was slowed late in life by a progressive brain disorder.
—Christopher Quinn, AJC.com, 6 May 2026
See All Example Sentences for indefatigable
Cite this Entry
“Indefatigable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indefatigable. Accessed 21 May. 2026.
Copy CitationKids Definition
indefatigable
adjective
in·de·fat·i·ga·ble
ˌin-di-ˈfat-i-gə-bəl
: capable of working a long time without tiring : tireless
an indefatigable teacher
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