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2quack noun : a sound made by quacking

3quack noun 1 : one making usu. showy pretenses to knowledge or ability : CHARLATAN

2 : a pretender to medical skill

— quack adjective

— quack·ery noun

— quack·ish adjective

Synonyms

charlatan, fake, fraud, hoaxer, humbug, mountebank, phony, pretender

1quad noun : QUADRANGLE

2quad noun : QUADRUPLET

3quad abbreviation quadrant

quad·ran·gle noun 1 : QUADRILATERAL

2 : a 4-sided courtyard or enclosure

— quad·ran·gu·lar adjective

Synonyms

close, court, courtyard, yard—more at COURT

quad·rant noun 1 : one quarter of a circle : an arc of 90°

2 : any of the four quarters into which something is divided by two lines intersecting each other at right angles

qua·drat·ic adjective : having or being a term in which the variable (as x) is squared but containing no term in which the variable is raised to a higher power than a square

— quadratic noun

qua·dren·ni·al adjective 1 : consisting of or lasting for four years

2 : occurring every four years

qua·dren·ni·um noun, plural -ni·ums or -nia : a period of four years

quad·ri·ceps noun : a muscle of the front of the thigh that is divided into four parts

1quadrilateral noun : a polygon of four sides

2quadrilateral adjective : having four sides

qua·drille noun : a square dance made up of five or six figures in various rhythms

quad·ri·par·tite adjective 1 : consisting of four parts

2 : shared by four parties or persons

quad·ri·ple·gia noun : paralysis of both arms and both legs

— quad·ri·ple·gic adjective or noun

qua·driv·i·um noun : the four liberal arts of arithmetic, music, geometry, and astronomy in a medieval university

quad·ru·ped noun : an animal having four feet

— qua·dru·pe·dal adjective

1quadruple verb qua·dru·pled; qua·dru·pling : to make or become four times as great or as many

2quadruple adjective : FOURFOLD

qua·dru·plet noun 1 : one of four offspring born at one birth

2 : a group of four of a kind

1quadruplicate adjective 1 : repeated four times

2 : FOURTH

2quadruplicate verb -cat·ed; -cat·ing 1 : QUADRUPLE

2 : to prepare in quadruplicate

— qua·dru·pli·ca·tion noun

3quadruplicate noun 1 : four copies all alike

2 : one of four like things

1quaff verb : to drink deeply or repeatedly

Synonyms

drink, guzzle, imbibe, sup, swig, toss—more at DRINK

2quaff noun : a drink quaffed

Synonyms

draft, drag, drink, nip, shot, slug, snort, swallow, swig—more at DRINK

quag·mire noun 1 : soft miry land that yields under the foot

2 : PREDICAMENT

qua·hog noun [ORIGIN: modif. of Narragansett poquaûhock]

: a round thick-shelled edible No. American clam

quai noun : QUAY

1quail noun, plural quail or quails [ORIGIN: ME quaile, fr. AF, fr. ML quaccula, of imit. origin]

: any of numerous small short-winged plump game birds (as a bobwhite) related to the domestic chicken

2quail verb [ORIGIN: ME, to grow feeble, fr. MD quelen]

1 : to lose heart : COWER

2 : to recoil in dread or terror

Synonyms

[1, 2] blench, cower, cringe, flinch, recoil, shrink, wince—more at FLINCH

quaint adjective 1 : unusual or different in character or appearance

2 : pleasingly old-fashioned or unfamiliar

— quaint·ly adverb

— quaint·ness noun

Synonyms

[1] bizarre, curious, odd, outré, peculiar, queer, quirky, remarkable, screwy, strange

[2] antique, old-fashioned, old-time—more at OLD-FASHIONED

1quake verb quaked; quak·ing 1 : to shake usu. from shock or instability

2 : to tremble usu. from cold or fear

Synonyms

[1, 2] agitate, convulse, jolt, jounce, quiver, shake, shudder, vibrate, wobble—more at SHAKE

2quake noun : a shaking or trembling; especially : EARTHQUAKE

Quak·er noun : FRIEND 5

qual abbreviation quality

qual·i·fi·ca·tion noun 1 : LIMITATION, MODIFICATION

2 : a special skill that fits a person for some work or position

3 : a condition or standard that must be complied with

Synonyms

[2] capability, command, credentials,