Part of speech:
Unwavering, as in purpose; steadfast.
Energetic; vigorous; forceful
Not tiring or ceasing; indefatigable or persistent:
Always able to supply more; inexhaustible:
Indicating or possessed of determination or resolution:
Having a strong or substantial construction or constitution:
Firmly loyal or constant; unswerving.
Characteristic of a tireless person; continuing, persistent, etc.
Not tired, tiring, or relenting; indefatigable.
Having or showing a capacity for persistent effort; not tiring or relenting:
Never wearying; tireless:
Not tired or tiring:
Find another word for unflagging. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for unflagging, like: steady, dynamic, untiring, unfailing, active, constant, determined, firm, staunch, steadfast and tireless.