1.Definition: being a single and separate person or thing

"Can the singular person be understood apart from his culture?", "Every fact in the world might be singular...unlike any other fact and sole of its kind"

2.Definition: beyond or deviating from the usual or expected

"Singular behavior"

Related Adjective(s):curious, funny, odd, peculiar, queer, rum, rummy

3.Definition: composed of one member, set, or kind

4.Definition: grammatical number category referring to a single item or unit

5.Definition: the single one of its kind

"A singular example"

Related Adjective(s):unique

6.Definition: unusual or striking

"Such poise is singular in one so young"

Related Adjective(s):remarkable