Singular (adjective)

1. Being only one of a kind; unique.
2. Being the only one; sole.
3. Being unusual or striking; exceptional.

Origin:

From latin singularis, from singulus "single".

Examples:

1. The singular beauty of the desert at sunset.
2. This is a singular opportunity to gain valuable experience.
3. Her singular achievements in the field of science were undeniable.
4. His singular dedication to his craft was admirable.
5. The singular taste of truffle oil can elevate any dish.