Which is the sweetest language in world?

There's no scientific or objective way to determine the "sweetest" language in the world. Language is subjective and what one person finds sweet, another may find annoying or even unpleasant.

However, certain languages are often perceived as being melodious or pleasant sounding. Here are some common contenders:

* Italian: Known for its smooth vowels and flowing rhythm.

* French: Renowned for its romantic and sophisticated sound.

* Spanish: Often described as passionate and lyrical.

* Portuguese: Characterized by its musicality and beautiful sounds.

* Mandarin Chinese: Can sound melodic and elegant, especially when spoken in a calm and measured way.

Ultimately, the "sweetest" language is a matter of personal preference. It depends on factors like your native language, your cultural background, and your individual tastes.