General synonyms:
* Clear: Emphasizing that something is easily understood or perceived.
* Different: Highlighting the difference or separateness.
* Separate: Focusing on the individuality or isolation of something.
* Unmistakable: Emphasizing that something is impossible to confuse with anything else.
* Unique: Stressing that something is one of a kind.
* Individual: Highlighting the unique characteristics of something.
Formal synonyms:
* Disparate: Suggesting a significant difference in nature or quality.
* Divergent: Emphasizing a difference in direction or development.
* Singular: Highlighting the unusual or exceptional nature of something.
More specific synonyms:
* Definitive: Used when something is clearly defined or decisive.
* Outstanding: Used when something is particularly noticeable or impressive.
* Marked: Used when something is clearly noticeable or distinguished.
* Prominent: Used when something is easily seen or stands out.
The best synonym to use will depend on the specific context of your sentence.