unflagging

As adjectives the difference between unfailing and unflagging

is that unfailing is inexhaustible while unflagging is never tiring or lacking energy; without rest; without slowing.

Vigorous is a related term of unflagging.

As adjectives the difference between vigorous and unflagging

is that vigorous is physically strong and active while unflagging is never tiring or lacking energy; without rest; without slowing.

As adjectives the difference between unflagging and dogged

is that unflagging is never tiring or lacking energy; without rest; without slowing while dogged is stubbornly persevering, steadfast.

As a verb dogged is

(dog).

As adjectives the difference between unflagging and stable

is that unflagging is never tiring or lacking energy; without rest; without slowing while stable is relatively unchanging, permanent; firmly fixed or established; consistent; not easily moved, altered, or destroyed.

As a noun stable is

a building, wing or dependency set apart and adapted for lodging and feeding (and training) animals with hoofs, especially horses.

As a verb stable is

to put or keep (horse) in a stable.

Industrious is a related term of unflagging.

As adjectives the difference between industrious and unflagging

is that industrious is hard-working and persistent; worksome while unflagging is never tiring or lacking energy; without rest; without slowing.

Unflagging is a related term of zealous.

As adjectives the difference between unflagging and zealous

is that unflagging is never tiring or lacking energy; without rest; without slowing while zealous is full of zeal; ardent, fervent; exhibiting enthusiasm or strong passion.

As adjectives the difference between assiduous and unflagging

is that assiduous is hard-working, diligent or regular (in attendance or work); industrious while unflagging is never tiring or lacking energy; without rest; without slowing.

Unflagging is a related term of conscientious.

As adjectives the difference between unflagging and conscientious

is that unflagging is never tiring or lacking energy; without rest; without slowing while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

Unflagging is a related term of spirited.

As adjectives the difference between unflagging and spirited

is that unflagging is never tiring or lacking energy; without rest; without slowing while spirited is lively, vigorous, animated or courageous.

As a verb spirited is

(spirit).