prudence n。 Caution。
prudential adj。 Proceeding or marked by caution。
prudery n。 An undue display of modesty or delicacy。
prurient adj。 Inclined to lascivious thoughts and desires。
pseudapostle n。 A pretended or false apostle。
pseudonym n。 A fictitious name； especially when assumed by a writer。
pseudonymity n。 The state or character of using a fictitious name。
psychiatry n。 The branch of medicine that relates to mental disease。
psychic adj。 Pertaining to the mind or soul。
psychopathic adj。 Morally irresponsible。
psychotherapy n。 The treatment of mental disease。
pudgy adj。 Small and fat。
puerile adj。 Childish。
pugnacious adj。 Quarrelsome。
puissant adj。 Possessing strength。
pulmonary adj。 Pertaining to the lungs。
punctilious adj。 Strictly observant of the rules or forms prescribed by law or custom。
punctual adj。 Observant and exact in points of time。
pungent adj。 Affecting the sense of smell。
pungency n。 The quality of affecting the sense of smell。
punitive adj。 Pertaining to punishment。
pupilage n。 The state or period of being a student。
purgatory n。 An intermediate state where souls are made fit for paradise or heaven by expiatory suffering。
purl v。 To cause to whirl； as in an eddy。
purloin v。 To steal。
purport n。 Intent。
purveyor n。 one who supplies
pusillanimous adj。 Without spirit or bravery。
putrescent adj。 Undergoing deposition of animal or vegetable matter acpanied by fetid odors。
pyre n。 A heap of bustibles arranged for burning a dead body。
pyromania n。 An insane propensity to set things on fire。
pyrotechnic adj。 Pertaining to fireworks or their manufacture。
pyx n。 A vessel or casket； usually of precious metal； in which the host is preserved。
quackery n。 Charlatanry
quadrate v。 To divide into quarters。
quadruple v。 To multiply by four。
qualification n。 A requisite for an employment； position； right； or privilege。
qualify v。 To endow or furnish with requisite ability； character； knowledge； skill； or possessions。
qualm n。 A fit of nausea。
quandary n。 A puzzling predicament。
quantity n。 Magnitude。
quarantine n。 The enforced isolation of any person or place infected with contagious disease。
quarrelsome adj。 Irascible。
quarter n。 One of four equal parts into which anything is or may be divided。
quarterly adj。 Occurring or made at intervals of three months。
quartet n。 A position for four voices or four instruments。
quarto n。 An eight…page newspaper of any size。
quay n。 A wharf or artificial landing…place on the shore of a harbor or projecting into it。
querulous adj。 Habitually plaining。
query v。 To make inquiry。
queue n。 A file of persons waiting in order of their arrival； as for admittance。
quibble n。 An utterly trivial distinction or objection。
quiescence n。 Quiet。
quiescent adj。 Being in a state of repose or inaction。
quiet adj。 Making no noise。
quietus n。 A silencing； suppressing； or ending。
quintessence n。 The most essential part of anything。
quintet n。 Musical position arranged for five voices or instruments。
quite adv。 Fully。
Quixotic adj。 Chivalrous or romantic to a ridiculous or extravagant degree。
rabid adj。 Affected with rabies or hydrophobia。
racy adj。 Exciting or exhilarating to the mind。
radiance n。 Brilliant or sparkling luster。
radiate v。 To extend in all directions； as from a source or focus。
radical n。 One who holds extreme views or advocates extreme measures。
radix n。 That from or on which something is developed。
raillery n。 Good…humored satire。
ramify v。 To divide or subdivide into branches or subdivisions。
ramose adj。 Branch…like。
rampant adj。 Growing； climbing； or running without check or restraint。
rampart n。 A bulwark or construction to oppose assault or hostile entry。
rancor n。 Malice。
rankle v。 To produce irritation or festering。
rapacious adj。 Disposed to seize by violence or by unlawful or greedy methods。
rapid adj。 Having great speed。
rapine n。 The act of seizing and carrying off property by superior force； as in war。
rapt adj。 Enraptured。
raptorial adj。 Seizing and devouring living prey。
ration v。 To provide with a fixed allowance or portion； especially of food。
rationalism n。 The formation of opinions by relying upon reason alone； independently of authority。
raucous adj。 Harsh。
ravage v。 To lay waste by pillage； rapine； devouring； or other destructive methods。
ravenous adj。 Furiously voracious or hungry。
ravine n。 A deep gorge or hollow； especially one worn by a stream or flow of water。
reaction n。 Tendency towards a former； or opposite state of things； as after reform； revolution； or inflation。
reactionary adj。 Pertaining to； of the nature of； causing； or favoring reaction。
readily adv。 Without objection or reluctance。
readjust v。 To put in order after disarrangement。
ready adj。 In a state of preparedness for any given purpose or occasion。
realism n。 The principle and practice of depicting persons and scenes as they are believed really to exist。
rearrange v。 To arrange again or in a different order。
reassure v。 To give new confidence。
rebellious adj。 Insubordinate。
rebuff n。 A peremptory or unexpected rejection of advances or approaches。
rebuild v。 To build again or anew。
rebut v。 To oppose by argument or a sufficient answer。
recant v。 To withdraw formally one's belief （in something previously believed or maintained）。
recapitulate v。 To repeat again the principal points of。
recapture v。 To capture again。
recede v。 To move back or away。
receivable adj。 Capable of being or fit to be received … often money。
receptive adj。 Having the capacity； quality； or ability of receiving； as truths or impressions。
recessive adj。 Having a tendency to go back。
recidivist n。 A confirmed criminal。
reciprocal adj。 Mutually interchangeable or convertible。
reciprocate v。 To give and take mutually。
reciprocity n。 Equal mutual rights and benefits granted and enjoyed。
recitation n。 The act of reciting or repeating； especially in public and from memory。
reck v。 To have a care or thought for。
reckless adj。 Foolishly headless of danger。
reclaim v。 To demand or to obtain the return or restoration of。
recline v。 To cause to assume a leaning or recumbent attitude or position。
recluse n。 One who lives in retirement or seclusion。
reclusory n。 A hermitage。
recognizance n。 An acknowledgment entered into before a court with condition to do some particular act。
recognize v。 To recall the identity of （a person or thing）。
recoil v。 To start back as in dismay； loathing； or dread。
recollect v。 To recall the knowledge of。
reconcilable adj。 Capable of being adjusted or harmonized。
reconnoiter v。 To make a preliminary examination of for military； surveying； or geological purposes。
reconsider v。 To review with care； especially with a view to a reversal of previous action。
reconstruct v。 To rebuild。
recourse n。 Resort to or application for help in exigency or trouble。
recover v。 To regain。
recreant n。 A cowardly or faithless person。
recreate v。 To refresh after labor。
recrudescence n。 The state of being raw or sore again。
recrudescent adj。 Being raw or sore again。
recruit v。 To enlist men for military or naval service。
rectify v。 To correct。
rectitude n。 The quality of being upright in principles and conduct。
recuperate v。 To recover。
recur v。 To happen again or repeatedly； especially at regular intervals。
recure v。 To cure again。
recurrent adj。 Returning from time to time； especially at regular or stated intervals。
redemption n。 The recovery of what is mortgaged or pledged； by paying the debt。
redolent adj。 Smelling sweet and agreeable。
redolence n。 Smelling sweet and agreeable。
redoubtable adj。 Formidable。
redound n。 Rebound。
redress v。 To set right； as a wrong by pensation or the punishment of the wrong…doer。
reducible adj。 That may be reduced。
redundance n。 Excess。
redundant adj。 Constituting an excess。
reestablish v。 To restore。
refer v。 To direct or send for information or other purpose。
referrer n。 One who refers。
referable adj。 Ascribable。
referee n。 An umpire。
refinery n。 A place where some crude material； as sugar or petroleum； is purified。
reflectible adj。 Capable of being turned back。
reflection n。 The throwing off or back of light； heat； sound； or any form of energy that travels in waves