infectious
1 ENTRIES FOUND:
Britannica Dictionary definition of INFECTIOUS
1
a
:
capable of causing infection
-
viruses and other infectious agents
b
[more infectious; most infectious]
:
capable of being passed to someone else by germs that enter the body
—
compare contagious
-
an acute infectious illness
-
a highly infectious disease
c
:
suffering from a disease that can be spread to other people by germs
-
an infectious patient
2
[more infectious; most infectious]
:
capable of being easily spread to other people
-
Their enthusiasm was infectious. [=contagious]
-
She has an infectious grin.
-
infectious laughter
— infectiously
adverb-
infectiously cheerful/enthusiastic
