unmistakable, clinically obvious, self-evident
honest, especially in a manner that seems slightly blunt; candid; not reserved or disguised.
To exempt from charge for postage, as a letter, package, or packet, etc.
To shut up in a frank or sty; to pen up; hence, to cram; to fatten.
To place a frank on an envelope.
To send by public conveyance free of expense.
The notice on an envelope where a stamp would normally be found.
A hot dog or sausage.
The grey heron.
A pigsty.
Free postage, a right exercised by governments (usually with definite article).
Not forced.