sera deja une experience inoubliable

Question

My dictionary says "deja" means "already" or "before."  Does "will be already an unforgetable experience" make sense?  Is there another meaning to deja?   Is "deja" necessary here?

Christian Huter · Accepted Answer

"déjà" can also be used to stress something in informal language (See for example 3. in https://dictionnaire.lerobert.com/definition/deja). But I think this applies to "already" in English as well. So the translation seems to make sense.

Side note: In informal French one can also use "déjà" for "to begin with", "for a start".
For example:
"Déjà, je vais faire ... Puis ..."

Anne Davies · Answer

WordReference is very useful for looking up the shades of meaning for an individual word. The discussion fora are worth a look, too  : 
https://www.wordreference.com/fren/d%C3%A9j%C3%A0