unflagging

Definitions

Tireless and persistent; showing no signs of fatigue.

Constant and steady in effort or intensity.

Examples

Her unflagging dedication to the project ensured that every deadline was met with precision.

Despite the grueling nature of the marathon, the runner maintained an unflagging pace until the very end.

Synonyms

tireless relentless indefatigable persistent unremitting steadfast constant

Antonyms

faltering intermittent lethargic sporadic weakening inconstant fluctuating