Longman Dictionary of Contemporary English homepage

lack

1 noun
     
lack1 S3 W2 [singular, uncountable]
when there is not enough of something, or none of it [= shortage]COLLOCATIONS COLLOCATIONS
a complete/total lack of something an apparent lack of something for lack of something (=because something is not present or does not exist) a distinct/marked lack of something no lack of something (=plenty of something) a relative/comparative lack of something no lack of something (=plenty of something)
lack of
new parents suffering from lack of sleep
Too many teachers are treated with a lack of respect.
comments based on a total lack of information
Does their apparent lack of progress mean they are not doing their job properly?
tours that are cancelled for lack of bookings
There was no lack of willing helpers.
health problems linked to poor diet and a relative lack of exercise

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