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한국어
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ignorant
adjective
not
having
enough
knowledge
,
understanding
,
or
information
about
something
•
Before
the
workshop
,
many
students
were
ignorant
of
basic
first-aid
skills
.
Before
the
workshop
,
many
students
were
ignorant
of
basic
first-aid
skills
.
•
I
used
to
be
completely
ignorant
about
healthy
eating
until
I
started
cooking
for
myself
.
I
used
to
be
completely
ignorant
about
healthy
eating
until
I
started
cooking
for
myself
.
late
Middle
English
,
from
Old
French
ignorant
,
from
Latin
ignorans
‘
not
knowing
’,
present
participle
of
ignorare
‘
not
know
’.
adjective
(
informal
)
acting
rudely
or
showing
bad
manners
,
especially
by
not
thinking
about
other
people
•
It
was
ignorant
of
him
to
interrupt
the
speaker
so
many
times
.
It
was
ignorant
of
him
to
interrupt
the
speaker
so
many
times
.
•
Talking
loudly
on
your
phone
in
a
quiet
train
carriage
is
ignorant
behavior
.
Talking
loudly
on
your
phone
in
a
quiet
train
carriage
is
ignorant
behavior
.
Extension
of
the
core
sense
‘
lacking
knowledge
’
to
‘
lacking
social
knowledge
of
good
manners
’,
first
recorded
in
the
19th
century
.