vicious

IPA/ˈvɪʃəs/
KK[vˈɪʃəs]IPA/ˈvɪʃəs/

vicious — adjective

  • viciouspositive
  • more viciouscomparative
  • most vicioussuperlative

1. describing a person, animal, or action that intends to cause pain or suffering,

1.adjectiveB2
Definition

describing a person, animal, or action that intends to cause pain or suffering, often showing deliberate cruelty, hatred, or violence

Example

Tendai was attacked by a vicious dog while jogging through the park.

attributive: vicious + animal noun

A vicious rumor about the teacher spread quickly through the school.

collocation: vicious rumor / vicious speech

Common collocations
  • vicious dog
  • vicious attack
  • vicious rumor
  • vicious circle (idiom)
  • vicious assault
  • vicious murder
  • vicious speech
Synonyms
  • cruel

    broader term covering any action that causes suffering, not necessarily violent

  • brutal

    emphasizes physical harshness and lack of mercy

  • savage

    suggests wild, uncontrolled ferocity, often used for violent attacks

  • malicious

    focuses on the deliberate intent to harm through words or actions

Antonyms
  • gentle

    kind and mild, the opposite of violent or cruel

  • kind

    showing care and concern for others

Grammar Patterns

vicious + noun

be + vicious

turn + vicious

Usage Note

Frequently appears before nouns describing physical attacks, words meant to harm, or negative rumors. Can be used both attributively (a vicious attack) and predicatively (the dog was vicious).

Common Mistakes

He gave me a vicious advice.
He gave me some vicious criticism.
'vicious' is not typically used with 'advice'; use 'harsh' or 'severe' for advice.
The honey was too vicious to pour.
The honey was too viscous to pour.
'vicious' and 'viscous' (thick/sticky) are easily confused spellings.

2. extremely severe or harsh — describing a physical sensation, weather condition,

2.adjectiveB2
Definition

extremely severe or harsh — describing a physical sensation, weather condition, or situation that causes intense pain, difficulty, or distress

Example

Layla felt a vicious pain in her shoulder after the car accident.

collocation: vicious pain / vicious headache

A vicious storm destroyed several homes along the coastline.

collocation: vicious storm

Common collocations
  • vicious pain
  • vicious headache
  • vicious storm
  • vicious cold
  • vicious cough
  • vicious cycle
  • vicious competition
Synonyms
  • severe

    the most neutral alternative for intensity or seriousness

  • intense

    focuses on the strength of a sensation or experience

  • harsh

    can describe weather, criticism, or conditions that are difficult to endure

Antonyms
  • mild

    gentle or moderate in effect, the opposite of severe

  • slight

    small in degree, not intense

Grammar Patterns

vicious + noun

be + vicious

Usage Note

This sense focuses on intensity and severity rather than moral cruelty. Commonly describes physical sensations (pain, headache, cough) and extreme conditions (storm, cold, competition). Unlike sense 1, the subject is not a living being acting with intent.

Common Mistakes

I have a viscous headache.
I have a vicious headache.
'viscous' means thick and sticky; 'vicious' here means extremely severe.

Word family

Synonym discussion

Sense: adjective/1

All four words describe causing harm, but they differ in scope and focus. Cruel is the broadest term — it covers any action that makes another person or animal suffer, whether physical or emotional, and whether done deliberately or carelessly. Brutal emphasizes physical harshness and a lack of mercy, often describing violence that is shockingly rough. Savage suggests wild, uncontrolled ferocity, as if the person has lost all civilized restraint — a savage attack is indiscriminate and extremely violent. Malicious focuses on the deliberate intention behind the harm: a malicious comment is carefully designed to hurt someone's feelings. While vicious overlaps with all four, it uniquely combines the violence of brutal/savage with the deliberate ill will of malicious. For example, a vicious rumor is both intentionally harmful (malicious) and damaging (cruel), but calling it brutal or savage would sound unnatural because rumors are not physical acts.

Common collocations

Adverbs

Phrases

  • vicious circle
  • vicious cycle

Prepositions

  • vicious toward someone
  • vicious in [nature/style]

Etymology

LatinFrenchEnglish

Vicious comes from the Latin word 'vitiosus', meaning 'faulty, defective, or corrupt,' which in turn comes from 'vitium' ('fault, vice'). It entered English through Old French 'vicieus' in the 1300s. At first it meant 'morally corrupt or depraved.' Over time the meaning shifted from moral fault to the violent, harmful behavior that such fault was thought to produce. By the 1500s it was used for savage animals and violent people. The sense of 'extremely severe' (a vicious headache) developed in the 1700s, extending the idea of harm from moral character to physical intensity.