frank

Honest, especially in a manner that seems slightly blunt; candid; not reserved or disguised.

"May I be frank with you?"

Unmistakable, clinically obvious, self-evident.

"The research probes whether treating pre-diabetes with metformin can prevent progression to frank diabetes."

Unbounded by restrictions, limitations, etc.; free.

Liberal; generous; profuse.

Unrestrained; loose; licentious.

Free postage, a right exercised by governments (usually with definite article).

The notice on an envelope where a stamp would normally be found.

To place a frank on an envelope.

To exempt from charge for postage, as a letter, package, or packet, etc.

To send by public conveyance free of expense.

A hot dog or sausage.

"Buy a package of franks for the barbecue."

The grey heron.

A pigsty.

To shut up in a frank or sty; to pen up; hence, to cram; to fatten.

Obsolete form of franc, former French coins, moneys of account, and currency.