valid

As adjectives the difference between valid and significant

is that valid is valid while significant is signifying something; carrying meaning.

As a noun significant is

that which has significance; a sign; a token; a symbol.

As an adjective valid

is valid.

As a verb deoptimize is

to make less than optimal.

As adjectives the difference between valid and impedient

is that valid is valid while impedient is (religion|of an impediment to marriage) serving to make a marriage illicit but valid.

As an adjective valid

is valid.

As a noun indifferentism is

the doctrine that all religions are equally valid.

As adjectives the difference between valid and nonexpired

is that valid is valid while nonexpired is not expired; still current or valid.

As adjectives the difference between valid and nonvalid

is that valid is valid while nonvalid is not valid.

As an adjective valid

is valid.

As an adverb unmistakenly is

in an unmistaken way; validly or accurately.

As adjectives the difference between valid and unmistaken

is that valid is valid while unmistaken is not mistaken; valid or accurate.