definitive

As adjectives the difference between trustworthy and definitive

is that trustworthy is deserving of trust, reliable while definitive is explicitly defined.

As a noun definitive is

a word, such as a definite article or demonstrative pronoun, that defines or limits something.

In obsolete terms the difference between define and definitive

is that define is to settle, decide (an argument etc.) while definitive is determined; resolved.

As nouns the difference between define and definitive

is that define is a kind of macro in source code that replaces one text string with another wherever it occurs while definitive is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

As a verb define

is to determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.

As an adjective definitive is

explicitly defined.

As adjectives the difference between indisputable and definitive

is that indisputable is not disputable; not open to question; obviously true while definitive is explicitly defined.

As a noun definitive is

a word, such as a definite article or demonstrative pronoun, that defines or limits something.

As adjectives the difference between definitive and inconclusive

is that definitive is explicitly defined while inconclusive is not conclusive, not leading to a conclusion.

As a noun definitive

is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

Authentic is a related term of definitive.

As adjectives the difference between authentic and definitive

is that authentic is of the same origin as claimed; genuine while definitive is .

Definitive is a related term of factual.

As adjectives the difference between definitive and factual

is that definitive is while factual is of or characterised by or consisting of facts.

As adjectives the difference between definitive and exhaustive

is that definitive is explicitly defined while exhaustive is including every possible element.

As a noun definitive

is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

As adjectives the difference between definitive and unchangeable

is that definitive is explicitly defined while unchangeable is not changeable; incapable of being changed or of changing; immutable.

As nouns the difference between definitive and unchangeable

is that definitive is a word, such as a definite article or demonstrative pronoun, that defines or limits something while unchangeable is something that cannot be changed.

As adjectives the difference between definitive and unappealable

is that definitive is explicitly defined while unappealable is not appealable; that may not be appealed, or sent to a higher court for judgement.

As a noun definitive

is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

In obsolete terms the difference between definitive and perfect

is that definitive is determined; resolved while perfect is well informed; certain; sure.

In grammar terms the difference between definitive and perfect

is that definitive is a word, such as a definite article or demonstrative pronoun, that defines or limits something while perfect is the perfect tense, or a form in that tense.

As a verb perfect is

to make perfect; to improve or hone.