Synonyms:
infectious, infective
Meaning: caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease"
Synonyms:
infectious
Meaning: easily spread; "fear is exceedingly infectious; children catch it from their elders"- Bertrand Russell
Usage examples
I suppose this is a sort of infectious hallucination.
Veslovsky was laughing his infectious, good-humored laugh.
"Infectious fiddlesticks!" said Eustace, his face white with anger; "bring the thing downstairs.
Most people with whom Vladimir came in contact found his high spirits infectious, but his present hostess was guaranteed immune against infection of that sort.
Stepan Arkadyevitch was saying something of the freshness of one girl, comparing her to a freshly peeled nut, and Veslovsky with his infectious laugh was repeating some words, probably said to him by a peasant: "Ah, you do your best to get round her!" Levin, half asleep, said:
A happy woman imperceptibly diffuses her happiness around her; she has an influence that is something akin to the influence of a sunshiny day. So, again, the melancholy of a melancholy woman is invariably, though silently, infectious; and Mrs. Sherwin was one of this latter order.