Pronunciation: /ˈvaɪrəs/
noun 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
A1 A virus is a tiny organism that can make you sick.
A2 It is important to protect your computer from viruses by installing antivirus software.
B1 The flu virus can spread quickly through coughing and sneezing.
B2 Researchers are working on developing a vaccine to combat the spread of the Zika virus.
C1 The computer virus caused a major data breach in the company's system.
C2 Scientists are studying the genetic makeup of the virus to better understand how it mutates and spreads.
formal The virus has spread rapidly throughout the population, causing widespread concern.
informal I heard there's a nasty virus going around, so make sure to wash your hands frequently.
slang Dude, that virus is no joke - stay safe out there!
figurative Negativity can spread like a virus, infecting those around you with its toxic influence.
viruses
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most virulent
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virusing
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