Indefatigable
Persisting tirelessly; not easily fatigued, showing relentless energy and perseverance.
adjectiveIndefatigable
Persisting tirelessly; not easily fatigued, showing relentless energy and perseverance.
adjectiveImagine This
Picture a marathon runner who keeps charging forward mile after mile, never tiring, a glow of determination in their eyes as teammates cheer them on.
Sounds Like
in-di-FAT-ih-guh-buhl
Looks Like
Starts with 'in-' (not) and contains 'fatigue'—literally suggests 'not fatigable'.
Remember This
Indefatigable comes from Latin indefatigabilis, meaning not able to be fatigued. It is often used to describe people with extraordinary persistence and stamina.
Other Forms
Connect With
tireless, untiring, unflagging, unwearied, persistent, tenacious
Note
Commonly used to describe admirable perseverance or stamina in people. Do not confuse with 'fatigible' (capable of Fatigue); 'indefatigable' specifically means not easily fatigued.