Synonyms of 'communicable'
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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 disease that is contagious can be caught by touching people or things that are infected with it. Compare infectious.
I felt like I had some contagious disease.
A disease that is infectious can be caught by being near a person who has it. Compare contagious.
infectious diseases such as measles
Thesaurus for communicable from the Collins English Thesaurus
A communicable disease is one that can be passed on to other people.