Dictionary

(grammar) A form of a word that refers to only one person or thing.

That which is not general; a specific determinate instance.

Being only one of a larger population.

Example: A singular experiment cannot be regarded as scientific proof of the existence of a phenomenon.

Being the only one of the kind; unique.

Example: She has a singular personality.

Distinguished by superiority: peerless, unmatched, eminent, exceptional, extraordinary.

Example: a man of singular gravity or attainments

Out of the ordinary; curious.

Example: It was very singular; I don't know why he did it.