| A | B |
| illegible | not legible impossible or hard to read undecipherable |
| illiterate | not literate;unable to read or write; uneducated |
| illogical | not logical not observing the rules of logic (correct reasoning) irrational; fallacious |
| immaculate | not spotted; absolutely clean; stainless |
| immature | not mature; not fully grown or developed;young;childish |
| impunity | state of being not punished freedom form punishment, harm, loss, ect.;immunity |
| inaccessible | not accessible; unreachable; hard to get to; unapproachable |
| incessant | not ceasing; continuing without interruption; interminable; ceaseless |
| inflexible | not flexible; not easily bent; firm; unyielding |
| ingratitude | state of being not grateful; ungratefulness; lack of gratitude |
| inhospitable | not hospitable; not showing kindness to guest and strangers; unfriendly |
| insoluble | not soluble; incapable of being solved, unsolvable; irresolvable |
| irreconcilable | not reconcilable; nt able to be brought into friendly accord or compromise; incompatible |
| irrelevant | not relevant; inapplicable; off the topic; extraneous |
| irrevocable | not revocable; incapable of being recalled or revoked; unalterable; irreversible |
| in- il- im- ir- | not un |
| bene- | good-well |
| mal- male- | evil, ill, bad, badly |
| benediction | good saying; blessing; good wishes; approbation |
| malediction | evil saing; curse |
| benefactor | one who does good; person who gives kindly aid, money, or a similar benefit |
| malefactor | one who does evil; offender; evildoer; criminal |
| bebeficial | roduction of good; helpful; advantageous |
| beneficiary | person receiving soom good, advantage, or benefit |
| benevolent | wishing well, disposed to promote the welfare of others; kind; charitable |
| malevolent | wishing ill; showing ill will; spiteful; malicious; vicious |
| maladjusted | badly adjusted; out of harmoney with one's environment |
| malice | ill will; intentin or desire t harm another; enmity; malevolence |
| malnutrition | bad or faulty nutrition; poor nourishment |
| maltreat | treat badly or roughly; misreat; abuse |
| de | down; down from; opposite of |
| decadent | falling down; deteriorating; growing worse; declining |
| deciduous | having leaves that fall down at the end of te growing season; shedding leaves |
| demented | out of one's mind; insane; deranged |
| demolish | pull or tear down; destroy; raze; wreck |
| demote | move down in grade or rank; degrade; downgrade |
| dependent | hanging down from; unable to exist without the support of another |
| depreciate | go down in price or valve |
| despise | look down on; scorn; feel contempt for; abhor; disdain |
| devour | gulp down; eat greddily; eal like an animal |
| dis | opposite of; differently; apart; away |
| discontnet | usually followed by with; opposite of content; dissatisfied; discontented; gisgruntled |
| discredit | disbelieve; refuse to trust |
| discrepancy | disagreement; difference; inconsistency; variation |
| disintegrate | do the opposite of integrate; make into a whole; break into bits; crumble; decay |
| dispassionate | opposite of passionate; showing strong feeling; calm; composed; impartial |
| disrepair | opposite of good condition or repair; bad condition |
| dissent | feel differently; differ in opinion; disagree |
| dissident | sitting apart; not agreeing; dissenting; nonconformist |
| distract | draw away, or divert the attentin of; confuse; bewilder |
| se | apart |
| secede | go apart; withdraw from an organizatin or federation |
| secession | a going apart; withdrawal from a organizatin or federation |
| seclude | keep apart from other; place in solitude; isolate; sequester |
| secure | apart; free from care; fear; or worry; confident; assured; safe against loss |
| sedition | going apart from; or against; anestablihsed governemnt; action; speech; or writing to overthrow the government; insurrection; treason |
| segregate | set apart fro the herd; seperate from the main body; isolate |
| circum | around; round |
| circumference | distance around a circle or rounded body; perimeter |
| circumlocution | roundabout way of speaking; use of excessive number of words to express an idea; verbiage; tautology |
| circumnavigate | sail around |
| circumscribe | draw a line around, limit restrict |
| circumspect | looking around and paying attention to all possible consequences before acting o; cautious; parudent |
| circumvent | go around; get better of; frustrate; skirt; bypass |
| con co col cor | together; with |
| coalesce | grow together; untie into one; join,; combine |
| coherent | sticking together logically connected; consistent; logicial |
| collaborate | working together with another or others espically as a coauthor |
| collusion | secrt agreemnet for a fradulent puporse; conspiracy plot |
| concord | state of being together in heart or mind; agreement ; harmony |
| congenital | exisiting at birth; inborn; innaate |
| convene | come together in a body; meet;assemble |
| correspond | agree bi in harmey mathc tally |
| ob | against; in the way' over |
| obliterate | erase blot out destroy remove all of |
| obsess | trouble the mind of haunt preoccupy |
| obstacle | something standing in the way hindrance inpede block |
| obstruct | be in the way of hinder impede block |
| obtrude | thrust foward without being asked; intrude; impose |
| obviate | meet and dispose of make unnecessary forestall avert |
| per | through; to the end; thoroughly |
| perennial | continuing through the years enduring unceasing |
| perennial | continuing through the years; enduring; unceasing |
| perforate | make a hole or holes through pierce puncture |
| permeate | pass through penetrate spread through pevade |
| perplex | confuse thoroughly ouzzle bewilder |
| persist | continue in spite of opposition refuse to stop persevere |
| pertinent | connected with the matter under consideration to the point related relevant |
| perturb | disturb thoroughly or considerably make uneasy agitate upset |
| pre | before; beforehand; fore |
| precede | go before come before |
| preclude | put a barrier befor impede prevetn make imposible |
| precocious | showing mature characteristics at an early age |
| preconceive | form an opinion of beforehand without adequate evidence |
| prefabricated | constructed beforehand |
| preface | foward; preliminary remarks authors introduction to a book |
| premature | before the proper or usual time early ntimely |
| premeditate | considered beforehand |
| presume | take for granted with out proof assume suppose |
| preview | view something before it is shown to the public |
| pro | forward; forth |
| procrastinate | put things off from day to day dekay dawdle |
| proficient | well advanced in any subject or occupation skilled adept expert |
| profuse | pouring forth freely excedingly generouse extravagant lavish |
| project | throw or cast foward |
| prominent | standing out notable important conspicious |
| propel | impel forward drive onward force ahead push thrust |
| proponent | person who puts forth a proposal or arguel in favor of something advocate supporter |
| prospect | things looked forward to expectation vision |
| prospects | chances |
| protract | draw out lengthen extend prolong |
| protrude | thrust forth stick out bulge just |
| provoke | call forth bring on cause make angry annoy incense irritate |