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"not," "un"

illegible (adj.)

not legible; impossible or hard to read; undecipherable

illiterate (adj.)

not literate; unable to read; uneducated

illogical (adj.)

not logical; not observing the rules of logic (correct reasoning); irrational; fallacious

immaculate (adj.)

not spotted; absolutely clean; stainless

immature (adj.)

not mature; not fully grown or developed; young; childish

impunity (n.)

state of being not punished; freedom from punishment, harm, loss, etc.; immunity

inaccessible (adj.)

not accessible; unreachable; hard to get to; unapproachable

incessant (adj.)

not ceasing; continuing without interuption; interminable; ceaseless

inflexible (adj.)

not flexible; not easily bent; firm; unyielding

ingratitude (n.)

state of being not grateful; ungratefulness; lack of gratitude

inhospitable (adj.)

not hospitable; not showing kindness to guests and strangers; unfriendly

insoluble (adj.)

1. not soluble; incapable of being solved; unsolvable; irresolvable
2. not capable of being dissolved

irreconcilable (adj.)

not reconcilable; not able to be brought into friendly accord or compromise; incompatible

irrelevant (adj.)

not relevant; inapplicable; off the topic; extraneous

irrevocable (adj.)

not revocable; incapable of being recalled or revoked; unalterable; irreversible


"good," "well"


"evil," "ill," "bad," "badly"

benediction (n.)

blessing; good wishes; approbation

malediction (n.)


benefactor (n.)

person who gives kindly aid, money or a similar benefit

malefactor (n.)

offender; evildoer; criminal

beneficial (adj.)

productive of good; helpful; advantageous

beneficiary (n.)

person receiving some good, advantage or benefit

benevolent (adj.)

disposed to promote the welfare of others; kind; charitable

malevolent (adj.)

showing ill will; spiteful; malicious; vicious

maladjusted (adj.)

badly adjusted; out of harmony with one's environment

malice (n.)

ill will; intention or desire to harm another; enmity; malevolence

malnutrition (n.)

bad or faulty nutrition; poor nourishment

maltreat (v.)

treat badly or roughly; mistreat; abuse

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