vitiated

9.5

Made weaker or less effective because something is wrong

adjective
/ˈvɪʃiˌeɪtɪd/

Formal

: viciado

The contract was declared invalid because it was vitiated by fraud.

Examples

The evidence was considered vitiated due to improper handling.
His ability to make sound decisions was vitiated by fatigue.
The contract was vitiated due to a lack of signatures.
His argument was vitiated by numerous logical fallacies.
His ability to make sound decisions was vitiated by fatigue.
The evidence was considered vitiated due to improper handling.
His argument was vitiated by numerous logical fallacies.

Synonyms

damaged

vsvitiated

1 1.1

Harmed so it works or looks worse

is about reduced quality or effectiveness rather than only physical harm

degraded

vsvitiated

5.1

Lower in quality or value than before

emphasizes spoil or loss of effectiveness rather than status alone

debased

vsvitiated

7.0

Made worse in quality, value, or moral standards

focuses on spoil or weakening in quality rather than moral judgment

weakened

vsvitiated

2.7

Not as strong or effective

is broader, adding spoil or corruption to simple loss of strength

diminished

vsvitiated

Specialized

4.4

Smaller in size, strength or importance

stresses spoil or reduction in quality and effectiveness rather than size

lessened

vsvitiated

2.1

Smaller in amount, degree, or strength

is more about harming quality or function rather than mere reduction

shriveled

vsvitiated

5.7

Weakened and less strong or important

focuses on spoil or damage to overall quality, not just drying up

corrupted

vsvitiated

5.1

Dishonest and morally ruined because of wrong actions

centers on weakening quality rather than moral or dishonest causes

defiled

vsvitiated

8.4

Made morally dirty, especially a place or thing people respect

is broader, covering general spoil or loss of effectiveness, not only impurity

Antonyms

enhanced

1 3.7

Having more value or better quality

strengthened

3.0

Has extra support to make it stronger

How Impaired

ruined

1 3.1

vitiated

Formal

9.5

damaged

1 1.1

impaired

49 4.4

intact

304 3.7

Surface Forms

vitiated positive

Morphology

vitiated = vitiate (transparent) = vitiate + ed

Regular past-participle/adjectival formation from the verb 'vitiate'; the adjectival meaning is directly predictable from the verb.

Etymology

Vitiated comes from the Latin root vitium, which means 'fault' or 'defect' and is the same root as the English word vice. So, when something is vitiated it has been made faulty, spoiled, or weakened.