singular (adj)
Sens 1 : Of or relating to a separate person or thing: individual.
<every fact in the world might be singular, that is, unlike any other fact and sole
of its kind (William James)> [source : MWU]
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Sens 2 : Of unusual quality: uncommon, unique.<various speculations
put forward in explanation of the singular phenomena of this remarkable place (Harry
Luke)> [source : MWU]