Word StructureWord Structure

Structure of a WordStructure of a Word Prefix----root----suffixPrefix----root----suffix In---comprehens----ibleIn---comprehens----ible

Prefix----rootPrefix----root Un----commonUn----common

Root----suffixRoot----suffix Happi----nessHappi----ness

PrefixesPrefixes May be added to the beginning of a May be added to the beginning of a

root wordroot word Adds meaning to the root wordAdds meaning to the root word

UnUnhappy=NOT happyhappy=NOT happy

Negative PrefixesNegative Prefixes All negative prefixes mean All negative prefixes mean

“NO” or “NOT”, or reverse “NO” or “NOT”, or reverse the meaning of the root the meaning of the root word.word.

Negative PrefixesNegative PrefixesPrefixPrefix MeaningMeaning ExampleExampleunun notnot unhappyunhappydisdis notnot disappeardisappearinin notnot indefiniteindefiniteIm (m,o,p)Im (m,o,p) notnot imimmmortalortalIr (r)Ir (r) notnot irirrresponsibleesponsibleIl (l)Il (l) notnot ililllegalegalnonnon notnot Non-toxicNon-toxicmismis notnot misspellmisspell

Number PrefixesNumber PrefixesPrefixPrefix MeaningMeaning ExampleExampleHemiHemi 1/21/2 hemispherehemispheresemisemi 1/21/2 Semi-circleSemi-circlemonomono 11 monologuemonologueuniuni 11 unisonunisonMeth (science)Meth (science) 11 methanemethane

Number PrefixesNumber PrefixesPrefixPrefix MeaningMeaning ExampleExampledi 2 diploiddu 2 duplexbi 2 bicycleEth (science)

2 ethane

Pro (science)

3 propane

tri 3 triangle

Number PrefixesNumber PrefixesPrefixPrefix MeaningMeaning ExampleExample

tetratetra 44 tetragontetragon

quarquar 44 Quart, quarterQuart, quarter

quadquad 44 quadrilateralquadrilateral

But (science)But (science) 44 butanebutane

pentpent 55 pentanepentane

Number PrefixesNumber PrefixesPrefixPrefix MeaningMeaning ExampleExamplehexhex 66 hexagonhexagonseptsept 77 septennialseptennialhepthept 77 heptathlonheptathlonoctoct 88 octaveoctavenovnov 99 NovemberNovemberNon (science)Non (science) 99 NonagonNonagon

Number PrefixesNumber PrefixesPrefixPrefix MeaningMeaning ExampleExampledecdec 1010 decadedecadecentcent 100100 centurycentury

millmill 10001000 millenniummillenniumkilokilo 10001000 kilogramkilogrampolypoly manymany polytheismpolytheismmultimulti manymany multipurposemultipurpose

Time and Place Prefixes Time and Place Prefixes 11

PrefixPrefix MeaningMeaning ExampleExamplepostpost afterafter Post-promPost-promtranstrans acrossacross transcontinentaltranscontinental

diadia acrossacross diagonaldiagonalsubsub underunder submarinesubmarineantianti againstagainst Anti-warAnti-warcontracontra againstagainst contradictcontradictprepre beforebefore Pre-gamePre-gamecircumcircum aroundaround circumferencecircumference

Time and Place 1Time and Place 1PrefixPrefix MeaningMeaning ExampleExample

interinter betweenbetween interstateinterstate

intraintra withinwithin intramuralsintramurals

inin intointo inspectinspect

ee outout emitemit

exex outout exitexit

Time and Place 2Time and Place 2PrefixPrefix MeaningMeaning ExampleExample

adad towardtoward advanceadvance

atat towardtoward attachattach

agag towardtoward aggressiveaggressive

Time and Place 2Time and Place 2PrefixPrefix MeaningMeaning ExampleExample

abab awayaway Abstain, Abstain, absentabsent

disdis Away, offAway, off dismountdismountDeDeSeSe

Away, offAway, off Depart, Depart, detourdetourSeparateSeparate

Time and Place 2Time and Place 2PrefixPrefix MeaningMeaning ExampleExampleparapara Beside, Beside,

similarsimilarparaphraseparaphrase

retroretro backback retroactiveretroactiverere BackBack

againagainReturnReturnredoredo

coco togethertogether cooperatecooperateComComconcon

togethertogether CompanyCompanyconnectconnect

Time and Place 2Time and Place 2PrefixPrefix MeaningMeaning ExampleExample

Sym, synSym, syn togethertogether symphonysymphony

Sym, synSym, syn samesame Synonym, Synonym, symmetrysymmetry

Intensifying PrefixesIntensifying PrefixesPrefixPrefix MeaningMeaning ExampleExamplesupersuper Above, Above,

beyondbeyondsupervisorsupervisor

hyperhyper Above, Above, beyondbeyond

hyperactivehyperactive

ultraultra Above, Above, beyondbeyond

Ultra lightUltra light

hypohypo Below normalBelow normal hypothermiahypothermiahomohomo samesame homogenoushomogenousheterohetero differentdifferent heterogeneouheterogeneou

ssbenebene goodgood benefitbenefitmalmal badbad malnutritionmalnutrition

Questions to PonderQuestions to Ponder How old is a How old is a superannuatedsuperannuated person? person? What does “What does “homogenizedhomogenized” milk look like?” milk look like? How does an How does an malcontentmalcontent act? act? If your name is Sam, and your friend’s If your name is Sam, and your friend’s

name is name is homonymoushomonymous, what is his name?, what is his name? Describe a shirt that is Describe a shirt that is heterochromatic.heterochromatic. What isWhat is hypothermia? hypothermia?

Prefixes with More Than Prefixes with More Than One Meaning (Summary)One Meaning (Summary)

PrefixPrefix MeaningMeaning ExampleExampleinin IntoInto

notnotInhaleInhaleincorrectincorrect

disdis NotNotOff, awayOff, away

DisagreeDisagreedismountdismount

Sym, synSym, syn TogetherTogethersamesame

SymphonySymphonysynonymsynonym

propro Three Three (science)(science)ForwardForwardBefore in Before in time/positiontime/position

PropanePropaneProcedureProcedurePro-golferPro-golfer