stock

1 a group of persons who come from the same ancestor the bride comes from good stock Synonyms blood, clan, folks, house, kin, kindred, kinfolk (or kinfolks), kinsfolk, line, lineage, people, race, family, tribeRelated Words blended family, nuclear family; extended family, household, kith; brood; descendant (also descendent), issue, offspring, progeny, scion, seed; clansman, kinsman, kinswoman, relative; dynastyNear Antonyms ancestry, birth, descent, extraction, origin, pedigree

2 a stupid person just sat there like a stock, staring at me blankly whenever I asked him a question Synonyms airhead, birdbrain, blockhead, bonehead, bubblehead, chowderhead, chucklehead, clodpoll (or clodpole), clot [British], cluck, clunk, cretin, cuddy (or cuddie) [British dialect], deadhead, dim bulb [slang], dimwit, dip, dodo, dolt, donkey, doofus [slang], dope, dork [slang], dullard, dumbbell, dumbhead, dum-dum, dummkopf, dummy, dunce, dunderhead, fathead, gander, golem, goof, goon, half-wit, hammerhead, hardhead, ignoramus, imbecile, jackass, know-nothing, knucklehead, lamebrain, loggerhead [chiefly dialect], loon, lump, lunkhead, meathead, mome [archaic], moron, mug [chiefly British], mutt, natural, nimrod [slang], nincompoop, ninny, ninnyhammer, nit [chiefly British], nitwit, noddy, noodle, numskull (or numbskull), oaf, pinhead, prat [British], ratbag [chiefly Australian], saphead, schlub (also shlub) [slang], schnook [slang], simpleton, idiot, stupe, stupid, thickhead, turkey, woodenhead, yahoo, yo-yoRelated Words booby, buffoon, fool, goose, loony, lunatic, madman, nut, zany; loser; gawk; featherbrain, scatterbrain; beast, boor, cad, churl, clown, creep, cur, heel, jerk, skunk, snake, stinker, villain; bimbette [slang], bimbo [slang], himboNear Antonyms egghead, intellect, intellectual, sage, thinker, whiz, wizard; polymath, Renaissance man; sharpie (or sharpy)Antonyms brain, genius

3 firm belief in the integrity, ability, effectiveness, or genuineness of someone or something don't put any stock in her promises—she'll just tell you what she thinks you want to hear Synonyms confidence, credence, faith, trustRelated Words acceptance, assurance, assuredness, certainty, certitude, conviction, positiveness, sureness, surety; credit, dependence (also dependance), hope, relianceNear Antonyms disbelief, incredulity, unbelief; distrustfulness, doubt, dubiety, dubiousness, incertitude, misdoubt, misgiving, mistrustfulness, nonconfidence, skepticism, suspicion, uncertainness, uncertainty; disenchantment, disillusion, disillusionmentAntonyms distrust, mistrust

4 the line of ancestors from whom a person is descended his family is of mixed northern European stock Synonyms birth, blood, bloodline, breeding, descent, extraction, family tree, genealogy, line, lineage, origin, parentage, pedigree, ancestry, strainRelated Words heredity, succession; family, house; kin, kindred, relations, relatives; raceNear Antonyms offspring; child, heir, inheritor, son, successorAntonyms issue, posterity, progeny, seed

5 the number of individuals or amount of something available at any given time the new study adds to the general stock of knowledge about genetic disorders Synonyms budget, force, fund, inventory, pool, repertoire, reservoir, supplyRelated Words reserve, resource; cache, hoard, stockpile; refill, renewal, replacement; kitty, nest egg, pot, purse; fountain, mine, source, spring, well, wellspring