supplement

Something added to provide more of what is needed, or an extra amount charged for a service.

• She takes a vitamin supplement every day.
• The hotel charges a supplement for single rooms.
• The payment was a welcome supplement to his small pension.

How to use it: a supplement to something (The grant provides a supplement to her income.); a supplement for something (Guests pay a supplement for a room with a sea view.)

Similar words: addition, extra

Common phrases: dietary supplement, vitamin supplement, single supplement, supplement to something

An extra magazine or section included with a newspaper.

• I read the Sunday supplement.
• The newspaper includes a travel supplement every Saturday.
• She writes restaurant reviews for several weekend supplements.

Similar words: insert

Common phrases: sunday supplement, weekend supplement, travel supplement, newspaper supplement

Something extra that supplies what is missing or makes something more complete.

• The notes provide a useful supplement.
• Her weekend job provides a supplement to her salary.
• These exercises are supplements to the main lessons.

How to use it: supplement to something (The guide is a useful supplement to the course.)

Similar words: addition, extra

Common phrases: a useful supplement, supplement to something

Extra written material added at the end of a book.

• The book ends with a short supplement.
• A supplement at the back lists all the sources.
• The new edition includes two supplements with additional maps.

How to use it: a supplement to something (The author prepared a supplement to the textbook.)

Similar words: appendix, addendum

Common phrases: book supplement, supplement to something, historical supplement

An extra amount of money you pay for a particular choice or service.

• The steak costs a small supplement.
• We paid a supplement for a larger room.
• Does the price include the single room supplement?

How to use it: supplement for something (There is a supplement for a room with a sea view.)

Similar words: surcharge, extra charge

Common phrases: pay a supplement, single room supplement, supplement for something

An extra expression that adds information to a sentence but is separate from its main structure.

• The final phrase is a supplement.
• Commas often separate a supplement from the main clause.
• The speaker used a different tone for the supplement.

Common phrases: clausal supplement, a supplement clause, supplement in something

To add something extra to improve something or supply what it lacks.

• You can supplement your income.
• He supplemented his diet with fresh fruit.
• The teacher supplements each lesson with a short video.

How to use it: supplement something with something (She supplements her income with evening work.)

Similar words: add to, top up

Common phrases: supplement your income, supplement something with something