endless

As a noun incompletion

is (uncountable) the state or quality of not being complete.

As an adjective endless is

having no end.

As adjectives the difference between fleeting and endless

is that fleeting is passing quickly while endless is having no end.

As a verb fleeting

is .

As adjectives the difference between numerous and endless

is that numerous is indefinitely large numerically, many while endless is having no end.

As adjectives the difference between endless and unwavering

is that endless is having no end while unwavering is never doubted; always steady and on course.

As an adverb steadily

is in a steady manner.

As an adjective endless is

having no end.

Endless is a related term of deathless.

As adjectives the difference between endless and deathless

is that endless is having no end while deathless is undying or immortal.

As adjectives the difference between endless and immense

is that endless is having no end while immense is huge, gigantic, very large.

Endless is a synonym of imperishable.

As adjectives the difference between endless and imperishable

is that endless is having no end while imperishable is not perishable; not subject to decay; indestructible; enduring permanently; as, an imperishable monument; imperishable renown.

In obsolete terms the difference between endless and timeless

is that endless is without profitable end; fruitless; unsatisfying while timeless is done at an improper time; unseasonable; untimely.

As adjectives the difference between endless and timeless

is that endless is having no end while timeless is eternal.

Endless is a related term of inexhaustible.

As adjectives the difference between endless and inexhaustible

is that endless is having no end while inexhaustible is impossible to exhaust; unlimited.