Frank. Open, ingenuous, free, sincere, candid, artless, frank-hearted, without disguise, unreserved; familiar, honest, outspoken, easy, plain.
Ant. Close, reserved; disingenuous.
Frantic. Furious, raving, raging, mad, wild, infuriate, frenzied, distracted; maniacal.
Ant. Sane, sober, calm, collected, cool, unruffled, composed.
Fraternity. Association, circle, society, company, brotherhood, sodality, league, clan; brotherliness.
Fraternize. Harmonize, sympathize, consort, concur; associate with, coöperate with; coalesce.
Ant. Renounce, abjure, forswear; ostracize.
Fraud. Duplicity, deceit, deception, dishonesty, treason, artifice, trick, cheat, imposture, swindle, treachery, imposition.
Ant. Good faith, honesty, truth, uprightness, fairness, integrity.
Fraught. Filled, stored, laden, freighted, charged, abounding, pregnant, big; loaded, teeming.