ASSAI
"Largo" is a slow, plodding, heavy tempo - like the marching of elephants.
The musical term that means to slow tempo is ritardando. If you'd like to slow the tempo very quickly you'd call it a molto ritardando.
It means fast.
Prelude
This is usually a suffix rather than a term, but adding "issimo" to the end of a word intensifies the root word. Eg Piano means soft, pianissimo means very soft.
The musical term that refers to "as much" is "pianissimo," which means very soft, or "fortissimo," meaning very loud, depending on the context. In dynamics, it indicates the intensity or volume of the music. Additionally, the term "poco" can be used to mean "a little" or "somewhat," often modifying other instructions in the score.
Coda means tail.
The musical term for soft is piano. This means soft in Italian.
No. the term means without musical instruments
loud
Very slowly.
Fortissimo is a musical term that means to play very loudly or with great force. It is indicated in sheet music with the abbreviation "ff".