lack
being without or not having enough of something
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not
to lack
deficient
without, in short of
vacancy of job
to lack
deficient
be scanty of
short in length
a fault, weak point
to lack, owe
deficient
Diligence makes up for deficiency.
Diligence can compensate for lack of natural talent.
lazy
lethargic
lacking energy
unwilling to do anything
to doubt
to suspect
a feeling of uncertainty or lack of conviction