■ adjective
1》 (of a conclusion or agreement) done or reached decisively and with authority.
↘(of a book or other text) the most authoritative of its kind.
2》 (of a postage stamp) for general use, not special or commemorative.
■ noun a ~ postage stamp.
Derivatives
~ly adverb
Origin
ME: from OFr. definitif , -ive , from L. definitivus , from definit- , definire (see define ).