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illness
noun
-
illness
,
illnesses
the
state
of
being
physically
or
mentally
unwell
•
After
three
days
of
illness
,
he
finally
felt
well
enough
to
return
to
school
.
After
three
days
of
illness
,
he
finally
felt
well
enough
to
return
to
school
.
•
Regular
exercise
can
reduce
the
risk
of
illness
.
Regular
exercise
can
reduce
the
risk
of
illness
.
From
Middle
English
"
illness
",
formed
from
"
ill
"
+
"
-ness
"
in
the
15th
century
,
replacing
earlier
"
illhede
".
noun
-
illness
,
illnesses
a
particular
disease
or
period
of
sickness
that
affects
the
body
or
mind
•
The
doctor
diagnosed
her
with
a
rare
illness
.
The
doctor
diagnosed
her
with
a
rare
illness
.
•
Childhood
illnesses
like
measles
are
now
less
common
.
Childhood
illnesses
like
measles
are
now
less
common
.
See
etymology
of
Sense
1
above
;
same
origin
applies
.