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1jawbone noun : JAW 1

2jawbone verb : to talk forcefully and persuasively

jaw·break·er noun 1 : a word difficult to pronounce

2 : a round hard candy

jaw–drop·ping adjective : causing great surprise or astonishment

jaw·less fish noun : any of a group of primitive vertebrates (as lampreys) without jaws

jay noun : any of various noisy brightly colored often largely blue birds smaller than the related crows

jay·bird noun : JAY

jay·vee noun 1 : JUNIOR VARSITY

2 : a member of a junior varsity team

jay·walk verb : to cross a street carelessly without regard for traffic regulations

— jay·walk·er noun

1jazz noun 1 : American music characterized by improvisation, syncopated rhythms, and contrapuntal ensemble playing

2 : empty talk

3 : similar but unspecified things : STUFF

Synonyms

bunk, claptrap, drivel, gibberish, hogwash, nonsense, piffle, prattle, rot—more at GIBBERISH

2jazz verb : to increase the appeal or excitement of : ENLIVEN <~ things up>

Synonyms

usually jazz up animate, brace, energize, enliven, fire, invigorate, liven, pep, quicken, stimulate, vitalize, vivify—more at ANIMATE

jazzy adjective jazz·i·er; -est 1 : having the characteristics of jazz

2 : marked by unrestraint, animation, or flashiness

Synonyms

active, animate, animated, flashy, jaunty, lively, racy, sharp, smart, snappy, spirited, sprightly

JCS abbreviation joint chiefs of staff

jct abbreviation junction

JD abbreviation 1 [ORIGIN L juris doctor] doctor of jurisprudence; doctor of law

2 [ORIGIN L jurum doctor] doctor of laws

3 justice department

4 juvenile delinquent

jeal·ous adjective 1 : demanding complete devotion

2 : hostile toward a rival or of one believed to enjoy an advantage

3 : VIGILANT

— jeal·ous·ly adverb

Synonyms

covetous, envious, jaundiced, resentful—more at ENVIOUS

jeal·ou·sy noun 1 : a jealous disposition, attitude, or feeling

2 : zealous vigilance

Synonyms

covetousness, enviousness, envy, resentment—more at ENVY

jeans noun plural [ORIGIN: pl. of jean twilled cloth, short for jean fustian, fr. ME Gene Genoa, Italy]

: pants made of durable twilled cotton cloth

jeep noun [ORIGIN: prob. fr. g.p. (abbr. of general purpose)]

: a small four-wheel drive general-purpose motor vehicle used in World War II

1jeer verb : to speak or cry out in derision : MOCK

Synonyms

deride, gibe, laugh, mock, ridicule, scout—more at RIDICULE

2jeer noun : a jeering remark or sound : TAUNT

Synonyms

boo, catcall, hiss, hoot, raspberry, snort, taunt—more at CATCALL

Je·ho·vah noun : the supreme or ultimate reality

Synonyms

Almighty, deity, Supreme Being

je·hu noun : a driver of a coach or cab

je·june adjective [ORIGIN: L jejunus empty of food, hungry, meager]

: lacking interest or significance : DULL

je·ju·num noun [ORIGIN: L]

: the section of the small intestine between the duodenum and the ileum

— je·ju·nal adjective

jell verb 1 : to come to the consistency of jelly

2 : to take shape

Synonyms

[1] clot, coagulate, congeal, gel, set—more at COAGULATE

[2] crystallize, form, shape, solidify

1jelly noun, plural jellies 1 : a food with a soft elastic consistency due usu. to the presence of gelatin or pectin; especially : a fruit product made by boiling sugar and the juice of a fruit

2 : a substance resembling jelly

2jelly verb : to bring to or come to the consistency of jelly

jelly bean noun : a bean-shaped candy

jel·ly·fish noun : a marine coelenterate with a nearly transparent jellylike body and stinging tentacles

jen·net noun 1 : a small Spanish horse

2 : a female donkey

jen·ny noun, plural jennies : a female bird or donkey

jeop·ar·dize verb : to expose to danger or risk

Synonyms

adventure, compromise, gamble, hazard, imperil, menace, risk, venture

jeop·ar·dy noun [ORIGIN: ME jeopardie, fr. AF juparti, jeuparti alternative, lit., divided game]

: exposure to death, loss, or injury

Synonyms

danger, distress, peril, risk, trouble—more