whiz

1 a person with a high level of knowledge or skill in a field the computer whiz to whom we all go when we're having problems, which is fairly often Synonyms ace, adept, artist, authority, cognoscente, connoisseur, crackerjack (also crackajack), dab [chiefly British], dab hand [chiefly British], fiend, geek, guru, hand, hotshot, maestro, master, maven (also mavin), meister, past master, proficient, scholar, shark, sharp, virtuoso, whiz, wizardRelated Words pro, professional; consultant, hired gun, specialist; addict, aficionado (also afficionado), buff, devotee, enthusiast, fan; craftsman, journeyman; all-rounder [British], jack-of-all-trades, Renaissance man; mistressNear Antonyms apprentice, beginner, neophyte, novice; dabbler, dilettante; layman, nonprofessionalAntonyms amateur, inexpert, nonexpert

2 a very smart person one of those whizzes who does very well in every subject Synonyms brain, brainiac, intellect, thinker, whiz, wiz, wizardRelated Words polyhistor, polymath, Renaissance man; blue, bluestocking, highbrow, intellectual; sage, savant; egghead, geek, longhair, nerd; master, virtuoso; ace, crackerjack (also crackajack), naturalNear Antonyms ignoramus, illiterate, know-nothing, lowbrow; anti-intellectual, philistine; ass, donkey, fool, jackass; beast, boor, cad, churl, clown, creep, cretin, cur, heel, jerk, louse, lout, skunk, snake, stinkerAntonyms blockhead, dodo, dolt, dope, dumbbell, dummy, dunce, fathead, goon, half-wit, hammerhead, idiot, imbecile, knucklehead, moron, nitwit, numskull (or numbskull), pinhead

1 to make a sound like that of stretching out the speech sound \s\ just hearing the bullets whiz as they fly by their heads must be terrifying for soldiers Synonyms fizz, fizzle, sizzle, swish, whish, hiss (or whizz)Related Words swoosh, wheeze, whistle, whoosh, zip; bubble, effervesce; buzz, drone, hum

2 to fly, turn, or move rapidly with a fluttering or vibratory sound many vehicles were whizzing past us at breakneck speeds Synonyms bumble, burr, buzz, drone, hum, whish, whirr (or whizz), zip, zoomRelated Words chirr, churr; thrum; fizz, hiss, murmur, purr, rustle, sigh, sizzle, swish, whisper; coo, curr; wheeze, whistle, whoosh