singular
sin-gu-lar
adjective
Remarkably good, unique, or unusual; exceptional.
"He showed singular courage."
noun
The form of a word denoting one person or thing.
"'Child' is the singular."
adjective
Referring to one person or thing, not plural.
"'Cat' is a singular noun."
Thesaurus
Synonyms: odd, queer, curious, rummy, rum, unusual, funny, peculiar, strange, extraordinary, remarkable, case-by-case
Antonyms: plural, plural form