eternal

As an adverb always

is at all times; ever; perpetually; throughout all time; continually.

As an adjective eternal is

lasting forever; unending.

As adjectives the difference between retroactive and eternal

is that retroactive is while eternal is lasting forever; unending.

As a preposition beyond

is further away than.

As an adverb beyond

is farther along or away.

As a noun beyond

is the unknown.

As an adjective eternal is

lasting forever; unending.

As adjectives the difference between pretemporal and eternal

is that pretemporal is occurring or happening before the existence of time while eternal is lasting forever; unending.

As a proper noun life

is (christian science) god.

As an adjective eternal is

lasting forever; unending.

As an adjective eternal

is lasting forever; unending.

As an adverb exceedingly is

to a vastly great extent or degree.

As adjectives the difference between eternal and ethereal

is that eternal is lasting forever; unending while ethereal is pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; otherworldly; as, ethereal space; ethereal regions.

As adjectives the difference between eternal and extant

is that eternal is lasting forever; unending while extant is still in existence.

As adjectives the difference between uncertain and eternal

is that uncertain is not certain; unsure while eternal is lasting forever; unending.

As adjectives the difference between eternal and deathless

is that eternal is lasting forever; unending while deathless is undying or immortal.