frequenter, n. habitué.
freshen, v. [refresh], [revive], renovate, [renew].
fresh-water, a. fresh, unsalted; [unskilled], [raw], [inexperienced], untrained.
fret, v. [chafe], abrade, [fray], [rub]; gnaw, [corrode]; roughen, [ruffle], [agitate]; [worry], [harass], [tease], [irritate], [vex], [fume], rankle.
fret, n. [vexation], [agitation], irritation; herpes, [tetter], [ringworm]; whelk, wale, [ridge].
fretful, a. [irritable], [petulant], [querulous], [peevish], [captious], [spleeny].
fribbling, a. [frivolous], [trifling].
friction, n. abrasion, attrition, confrication, [rubbing]; clashing, [disagreement].
friend, n. wellwisher, intimate, confidante, [chum], [associate]; [patron], [advocate], adherent, [supporter]; [ally], confrère; [Quaker].
friendliness, n. [comity], [amity], good [will], amicability.