fault-finding, a. captious, caviling, critical, derogatory, dissatisfied, grumbling, censorious, discontented, querulous, carping.

fault-finding, n. carping, criticism, grumbling, murmuring, captiousness, cavil, reprehension, dissatisfaction, animadversion, stricture, repining.

faultiness, n. defectiveness, imperfection, culpability, peccability.

faultless, a. perfect, blameless, impeccable, inerrable, unblemished.

faulty, a. imperfect, defective; blamable, culpable, peccable, erring.

faun, n. satyr, sylvan.

favor, n. countenance, regard, good-will, kindness; support, promotion, befriending, championship, espousal, countenancing.  Antonyms:  disfavor, opposition.

favor, v. support, countenance, encourage; resemble.

favorable, a. propitious, auspicious, conducive, beneficial, partial, helpful.  Antonyms:  unfavorable, unpropitious, inauspicious.

favoring, a. partial, approving, helpful.

favoritism, n. partiality; nepotism.  Antonym:  impartiality

fawn, v. truckle, curry favor, court.

fawner, n. sycophant, bootlicker, footlicker.

fawning, a. sycophantic, obsequious, servile, truckling.

fear, n. apprehension, anxiety, solicitude, alarm, dread, trepidation, consternation, panic, dismay, terror, fright, cowardliness, timidity, pusillanimity; reverence, awe, veneration.

fear, v. apprehend, dread, be afraid of; reverence, venerate, stand in awe of.

fearful, a. apprehensive, alarmed, afraid, frightened; timid, timorous, faint-hearted, cowardly, craven, pusillanimous, meticulous; terrible, frightful, dreadful, grim, awful, dire, fell, atrocious, ghastly, terrifying, alarming, appalling.

fearless, a. intrepid, courageous, bold, valorous, undaunted, unafraid, unflinching.

feasibility, n. practicability.

feasible, a. practicable.

feast, n. banquet, repast, regale, Junket, festivity.  Associated words:  convivial, conviviality.

feast, v. banquet, junket; delight, gratify.

feastful, a. festive, festal.

feat, n. exploit, achievement, stunt, act, deed.

feather, n. plume, quill, pinion.

feather, v. fledge.

feathered, a. fledged.

feathering, n. endysis.

feather in the cap. (Colloq.) honor, trophy.

featherless, a. unfledged, desplumate, callow.

feathers, n. pl. plumage; aigret; panache, remiges (quill feathers); down (soft under feathers); coverts; rectrices.  Associated words:  plumassier, pterylography, endysis, ecdysis, moult, moulting, mew, desplumation, preen, barb, midrib, shaft, barbule, pompon, plumassary.

feathery, a. plumy, pennaceous.

feature, n. aspect, appearance; lineament; trait, characteristic, peculiarity.

federation, n. confederation, league, confederacy, union.