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English definition of “contagious”

contagious

adjective
 
 
/kənˈteɪdʒəs/
DISEASE A contagious disease is one that you can get if you touch someone who has it.Passing on illness and causing disease
FEELING A contagious feeling spreads quickly amongst people: Her excitement was contagious.Spreading and scattering
(Definition of contagious from the Cambridge Learners Dictionary © Cambridge University Press)
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