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efficiently
adverb
in
a
way
that
achieves
much
with
little
waste
of
time
,
effort
,
or
resources
.
•
The
new
vacuum
cleans
the
carpet
efficiently
.
The
new
vacuum
cleans
the
carpet
efficiently
.
•
He
solved
the
puzzle
efficiently
using
a
smart
strategy
.
He
solved
the
puzzle
efficiently
using
a
smart
strategy
.
From
the
adjective
'efficient'
+
'-ly'
;
'efficient'
derives
from
Latin
'efficientem'
(
nominative
efficiēns
),
present
participle
of
'efficientre'
(
'to
accomplish'
),
from
'ex-'
(
'out'
)
+
'facere'
(
'to
do
,
make'
).
inefficient
adjective
not
achieving
maximum
productivity
;
failing
to
make
the
best
use
of
time
,
resources
,
effort
,
or
money
.
•
The
old
tractor
is
too
inefficient
and
breaks
down
often
.
The
old
tractor
is
too
inefficient
and
breaks
down
often
.
•
Their
inefficient
marketing
strategy
lost
them
many
customers
.
Their
inefficient
marketing
strategy
lost
them
many
customers
.
Late
16th
century
:
from
late
Latin
inefficiens
,
from
in-
'not'
+
efficient-
(
from
efficere
'accomplish'
),
present
participle
stem
of
efficere
.
