• IPA: /ˈswiːtən/

sweeten (sweetens, present participle sweetening; past and past participle sweetened)

1. (transitive) To make sweet to the taste.

   to sweeten tea

2. (transitive) To make (more) pleasant or to the mind or feelings.

   to sweeten life

   to sweeten friendship

3. (transitive) To make mild or kind; to soften.

   to sweeten the temper

4. (transitive) To make less painful or laborious; to relieve.

   to sweeten the cares of life

   • 1827, [John Keble], “Last Sunday after Trinity”, in The Christian Year: Thoughts in Verse for the Sundays and Holydays throughout the Year, volume II, Oxford, Oxfordshire: Printed by W. Baxter, for J. Parker; and C[harles] and J[ohn] Rivington, […], OCLC 1029642537 ↗, page 99 ↗:

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5. (transitive) To soften to the eye; to make delicate.
   • 1695, John Dryden, De Arte Graphica

     Correggio has made his memory immortal by the strength he has given to his figures, and by sweetening his lights and shadows, and melting them into each other.

6. (transitive) To make pure and salubrious by destroying noxious matter.

   to sweeten rooms or apartments that have been infected

   to sweeten the air

7. (transitive) To make warm and fertile.

   to dry and sweeten soils

8. (transitive) To restore to purity; to free from taint.

   to sweeten water, butter, or meat

9. (transitive) To make more attractive; said of offers in negotiations.

   to sweeten the deal by increasing the price offered

10. (intransitive) To become sweet.

• (to make warm and fertile) sour

• French: adoucir
• German: süßen
• Italian: zuccherare
• Portuguese: adoçar, adocicar
• Russian: подсла́щивать
• Spanish: azucarar

• German: versüßen

• German: süß werden

1. Surname