Definitions
1.nounFree postage, a right exercised by governments (usually with definite article).
2.nounThe notice on an envelope where a stamp would normally be found.
3.verbTo place a frank on an envelope.
4.verbTo exempt from charge for postage, as a letter, package, or packet, etc.
5.verbTo send by public conveyance free of expense.
6.adjectiveHonest, especially in a manner that seems slightly blunt; candid; not reserved or disguised."May I be frank with you?"
7.adjectiveUnmistakable, clinically obvious, self-evident"The research probes whether treating pre-diabetes with metformin can prevent progression to frank diabetes."
8.adjectiveUnbounded by restrictions, limitations, etc.; free.
9.adjectiveLiberal; generous; profuse.
10.adjectiveUnrestrained; loose; licentious.