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keen
Definitions
(3)
1
adjective
having
a
sharp
edge
or
point
;
able
to
cut
or
pierce
easily
.
The
knife
was
so
keen
that
it
sliced
through
the
tomato
effortlessly
.
The
keen
edge
of
the
blade
made
it
perfect
for
carving
.
He
sharpened
the
pencil
to
a
keen
point
.
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2
adjective
eager
or
enthusiastic
about
something
.
She
was
keen
to
start
her
new
job
.
He
is
keen
on
learning
how
to
play
the
guitar
.
They
were
keen
to
explore
the
new
city
.
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Word games
3
adjective
sharp
or
penetrating
,
in
particular
with
regard
to
senses
or
intellect
.
She
has
a
keen
sense
of
smell
,
able
to
detect
even
the
faintest
scents
.
His
keen
intellect
made
him
a
formidable
opponent
in
debates
.
The
keen
observation
of
the
detective
led
to
solving
the
case
.
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Word games
Word Origin
Language
Old English
Original word
cēne
Originally meant
brave, bold, clever
Background
The word 'keen' has evolved from its Old English origins where it meant brave or bold. Over time, it has come to describe sharpness in both physical and metaphorical senses, such as sharp intellect or enthusiasm.