What is the meaning of singular?

noun

• The form of a word that is used to denote a singleton.
  • synonyms: singular form

adjective

• Unusual or striking.
  • usage: "a remarkable sight"; "such poise is singular in one so young"
  • synonyms: remarkable
• Beyond or deviating from the usual or expected.
  • usage: "a curious hybrid accent"; "her speech has a funny twang"; "they have some funny ideas about war"; "had an odd name"; "the peculiar aromatic odor of cloves"; "something definitely queer about this town"; "what a rum fellow"; "singular behavior"
  • synonyms: curious, funny, odd, peculiar, queer, rum, rummy
• 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-William James
• Composed of one member, set, or kind.
• Grammatical number category referring to a single item or unit.
• The single one of its kind.
  • usage: "a singular example"; "the unique existing example of Donne's handwriting"; "a unique copy of an ancient manuscript"; "certain types of problems have unique solutions"
  • synonyms: unique