[frank] adj [ME, free, fr. OF franc, fr. ML francus, fr. LL Francus Frank] (1548) 1: marked by free, forthright, and sincere expression "a ~ reply"
2. a: unmistakably evident "~ materialism" b: clinically evident and unmistakable "~ pus" -- frank.ness n syn frank, candid, open, plain mean showing willingness to tell what one feels or thinks. frank stresses lack of shyness or secretiveness or of evasiveness from considerations of tact or expedience "frank discussions". candid suggests expression marked by sincerity and honesty esp. in offering unwelcome criticism or opinion "a candid appraisal". open implies frankness but suggests more indiscretion than frank and less earnestness than candid "open in saying what they think". plain suggests outspokenness and freedom from affectation or subtlety in expression "plain talk".
[2]frank vt (1708) 1 a: to mark (a piece of mail) with an official signature or sign indicating the right of the sender to free mailing b: to mail free c: to affix to (mail) a stamp or a marking indicating the payment of postage
2: to enable to pass or go freely or easily -- frank.able adj -- frank.er n [3]frank n (1713) 1 a: the signature of the sender on a piece of franked mail serving in place of a postage stamp b: a mark or stamp on a piece of mail indicating postage paid c: a franked envelope
2: the privilege of sending mail free of charge [4]frank n (1904): frankfurter Frank n [ME, partly fr. OE Franca; partly fr. OF Franc, fr. LL Francus, of Gmc origin; akin to OHG Franko Frank, OE Franca] (bef. 12c): a member of a West Germanic people that entered the Roman provinces in a.d. 253, occupied the Netherlands and most of Gaul, and established themselves along the Rhine