If someone or something is corrupt, they’re broken morally or in some other way. Corrupt people perform immoral or illegal acts for personal gain, without apology. Corrupt politicians take bribes and deny it.

When you corrupt someone, you convince them to do something wrong or even illegal. If you talk your little brother into stealing cookies from the cookie jar, you're corrupting him. Something corrupt is rotten, spoiled, or out of commission, like a file that makes your computer crash. A corrupt person — a criminal, a crook, or a cookie thief — brings society down with immoral and dishonest behavior. Corrupt goes back to the Latin roots cor-, "altogether," and rumpere, "break."

Definitions of corrupt
  1. adjective
    not straight; dishonest or immoral or evasive
    synonyms: crooked
    dishonest, dishonorable
    deceptive or fraudulent; disposed to cheat or defraud or deceive
    contrary to or prohibited by or defiant of law
    sneaky, underhand, underhanded
    marked by deception
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    square, straight
    characterized by honesty and fairness
    honest, honorable
    not disposed to cheat or defraud; not deceptive or fraudulent
    conformable to or allowed by law
    aboveboard, straightforward
    without concealment or deception; honest
    guileless, transparent
    free of deceit
    conventionally moral and upright
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  2. adjective
    lacking in integrity
    “humanity they knew to be corrupt...from the day of Adam's creation”
    “a corrupt and incompetent city government”
    corrupted, debased, vitiated
    ruined in character or quality
    bribable, corruptible, dishonest, purchasable, venal
    capable of being corrupted
    depraved, perverse, perverted, reprobate
    deviating from what is considered moral or right or proper or good
    dirty, sordid
    unethical or dishonest
    Praetorian, Pretorian
    characteristic of or similar to the corruptible soldiers in the Praetorian Guard with respect to corruption or political venality
    morally corrupt or evil
    having taken a bribe or bribes
    deliberately violating accepted principles of right and wrong
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    free of corruption or immorality
    clean and honest
    incapable of being morally corrupted
    not debased
    uncorrupted, unspoiled
    not decayed or decomposed
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  3. adjective
    touched by rot or decay
    “` corrupt' is archaic”
    synonyms: tainted
    lacking freshness, palatability, or showing deterioration from age
  4. verb
    corrupt morally or by intemperance or sensuality
    “Socrates was accused of corrupting young men”
    corrupt the morals”
    synonyms: debase, debauch, demoralise, demoralize, deprave, misdirect, pervert, profane, subvert, vitiate
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    carnalise, carnalize, sensualise, sensualize
    debase through carnal gratification
    corrupt with ideas or an ideology
    lead astray, lead off
    teach immoral behavior to
    spoil as if by poison
    bastardise, bastardize
    change something so that its value declines; for example, art forms
    incite to commit a crime or an evil deed
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
  5. verb
    place under suspicion or cast doubt upon
    synonyms: cloud, defile, pollute, sully, taint, tarnish
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    type of:
    deflower, impair, mar, spoil, vitiate
    make imperfect
  6. verb
    make illegal payments to in exchange for favors or influence
    synonyms: bribe, buy, grease one's palms
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    give a conciliatory gift or bribe to
    buy off, pay off
    pay someone with influence in order to receive a favor
    type of:
    give money, usually in exchange for goods or services
  7. adjective
    containing errors or alterations
    “a corrupt text”
    synonyms: corrupted
    not perfect; defective or inadequate
  8. verb
    alter from the original
    synonyms: spoil
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    adulterate, debase, dilute, load, stretch
    corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
    water down
    thin by adding water to
    doctor, doctor up, sophisticate
    alter and make impure, as with the intention to deceive
    type of:
    make less severe or harsh or extreme
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