Advertisement
English Lexicon

Virus

/ˈvaɪ.rəs/
nounCEFR B2 (Upper)Top #3500 frequency
Full Thesaurus

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    An infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.

    "The flu virus spreads rapidly during the winter months."
  2. 2

    A piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.

    "His computer crashed because it was infected by a malicious email virus."
Advertisement

Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin word virus, meaning 'poison', 'slime', or 'venom', dating back to the late 14th century. By the late 19th century, the meaning evolved in medical science to describe an infectious agent smaller than bacteria, and later expanded in the late 20th century to include self-replicating malicious computer programs.

Quick Vocabulary Retention Check

Which of the following is the closest synonym for "Virus"?

Advertisement
Thesaurus & Synonyms Graph

Explore Nuanced Synonyms for "Virus"

Discover exact matches, context-specific alternatives, and antonyms with intensity ratings in the VocabDictionary Thesaurus.

View "Virus" Synonym Map
Advertisement