Meanings
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1
noun
Something added to make up for what is missing or to improve something.
This booklet is a useful supplement to the main textbook.
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2
noun
A vitamin, mineral, or other substance taken to add to your diet.
She takes an iron supplement every morning.
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3
verb
To add something extra to something in order to improve it or make up for a shortage.
He supplements his income by teaching evening classes.
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4
noun
An extra section of a newspaper or magazine on a particular subject.
I always read the travel supplement on Sundays.
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5
noun
An extra charge added to a basic price.
There is a small supplement for a room with a sea view.
Thesaurus
Etymology
From Latin supplementum (“that which is added to supply a shortage”), from supplere (“to provide something”).
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