Synonyms of 'infectious'
catchingDictionary, spreading, contagious
infectious diseases such as measles
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If an illness or a disease is catching, it is easily passed on or given to someone else.
There are those who think eczema is catching.
A communicable disease is one that can be passed on to other people.
communicable diseases such as Ebola
Thesaurus for infectious from the Collins English Thesaurus
A disease that is infectious can be caught by being near a person who has it. Compare → contagious .