Definition of "frank" []

Open and sincere in expression; straightforward: made several frank remarks about the quality of their work. (adjective)
Clearly manifest; evident: frank enjoyment. (adjective)
To put an official mark on (a piece of mail) so that it can be sent free of charge. (verb-transitive)
To send (mail) free of charge. (verb-transitive)
To place a stamp or mark on (a piece of mail) to show the payment of postage. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "frank" in a sentence

"He paused and looked from Akinyi to Jamal, his expression frank and curious."
"I am partial to the term frank n 'beans personally."
"Pillay has held what she describes as "frank and forthright" talks on the Malaysian plan with Australian Foreign Minister Kevin Rudd."

Words like "frank"

affected artful artless candid deceitful direct dissembling

fatten franked franking frankness franks hypocritical ingenuous

intriguing lying obvious open pigsty plain relieve

secret sincere sneaking undisguised unreserved